diff --git a/internal/service/ec2/service_package.go b/internal/service/ec2/service_package.go
index 636f2cb4fe2a..63f1b1227f32 100644
--- a/internal/service/ec2/service_package.go
+++ b/internal/service/ec2/service_package.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/status.go b/internal/service/ec2/status.go
index 15c354bd6ed5..eb351d048ffa 100644
--- a/internal/service/ec2/status.go
+++ b/internal/service/ec2/status.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/sweep.go b/internal/service/ec2/sweep.go
index 449fc237e916..93eea2241f40 100644
--- a/internal/service/ec2/sweep.go
+++ b/internal/service/ec2/sweep.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/tag_test.go b/internal/service/ec2/tag_test.go
index 2b718ebb6718..dfaa5232b89f 100644
--- a/internal/service/ec2/tag_test.go
+++ b/internal/service/ec2/tag_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/tags.go b/internal/service/ec2/tags.go
index 96a900b0cf9d..189680cc8fcb 100644
--- a/internal/service/ec2/tags.go
+++ b/internal/service/ec2/tags.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/test-fixtures/userdata-test.sh b/internal/service/ec2/test-fixtures/userdata-test.sh
index 670a272dbeb7..7fcc0a3fedf9 100644
--- a/internal/service/ec2/test-fixtures/userdata-test.sh
+++ b/internal/service/ec2/test-fixtures/userdata-test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash -v
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 apt-get update -y
diff --git a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags/main_gen.tf b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags/main_gen.tf
index e6b10715ffff..9fc4afe02d61 100644
--- a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed1/main_gen.tf
index 176099e2054e..cf84e5e94cca 100644
--- a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed2/main_gen.tf
index cfa15e673206..6f98ae3e6285 100644
--- a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_defaults/main_gen.tf
index 64f602f8bd3d..8a71f862b167 100644
--- a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_ignore/main_gen.tf
index 1bab55160b22..e905a3ab561b 100644
--- a/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/BlockPublicAccessExclusion/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic/main_gen.tf b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic/main_gen.tf
index 769dedbb7cab..867b17567899 100644
--- a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ebs_snapshot_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v5.100.0/main_gen.tf b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v5.100.0/main_gen.tf
index 0e643d46cb9c..84f81d09d01b 100644
--- a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v5.100.0/main_gen.tf
+++ b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v5.100.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ebs_snapshot_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v6.0.0/main_gen.tf b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v6.0.0/main_gen.tf
index 4ae07243e95b..432842b63fec 100644
--- a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v6.0.0/main_gen.tf
+++ b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/basic_v6.0.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ebs_snapshot_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/region_override/main_gen.tf b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/region_override/main_gen.tf
index 979324e71da3..a61958650490 100644
--- a/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/EBSSnapshotBlockPublicAccess/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ebs_snapshot_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic/main_gen.tf b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic/main_gen.tf
index fee79b369d9a..c1527e92f6b8 100644
--- a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_image_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v5.100.0/main_gen.tf b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v5.100.0/main_gen.tf
index 6c0dd6a7c05c..069caff243cd 100644
--- a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v5.100.0/main_gen.tf
+++ b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v5.100.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_image_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.0.0/main_gen.tf b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.0.0/main_gen.tf
index f45bd73d1b27..9a8a429e5bf3 100644
--- a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.0.0/main_gen.tf
+++ b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.0.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_image_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.19.0/main_gen.tf b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.19.0/main_gen.tf
index 9694ee9e7c10..ff293ba811c5 100644
--- a/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.19.0/main_gen.tf
+++ b/internal/service/ec2/testdata/ImageBlockPublicAccess/basic_v6.19.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_image_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/ImageBlockPublicAccess/region_override/main_gen.tf b/internal/service/ec2/testdata/ImageBlockPublicAccess/region_override/main_gen.tf
index 504f50eeef35..06ac60f228dc 100644
--- a/internal/service/ec2/testdata/ImageBlockPublicAccess/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/ImageBlockPublicAccess/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_image_block_public_access" "test" {
diff --git a/internal/service/ec2/testdata/Instance/basic/main_gen.tf b/internal/service/ec2/testdata/Instance/basic/main_gen.tf
index e6f13617506b..40335e9f277b 100644
--- a/internal/service/ec2/testdata/Instance/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/basic_v6.10.0/main_gen.tf b/internal/service/ec2/testdata/Instance/basic_v6.10.0/main_gen.tf
index 48bf53876924..e3cffd483872 100644
--- a/internal/service/ec2/testdata/Instance/basic_v6.10.0/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/basic_v6.10.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/data.tags/main_gen.tf b/internal/service/ec2/testdata/Instance/data.tags/main_gen.tf
index 77db93dba03b..24a1fcf434e7 100644
--- a/internal/service/ec2/testdata/Instance/data.tags/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/data.tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 # tflint-ignore: terraform_unused_declarations
diff --git a/internal/service/ec2/testdata/Instance/data.tags_defaults/main_gen.tf b/internal/service/ec2/testdata/Instance/data.tags_defaults/main_gen.tf
index 06185de92a6d..4042a76e9271 100644
--- a/internal/service/ec2/testdata/Instance/data.tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/data.tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Instance/data.tags_ignore/main_gen.tf b/internal/service/ec2/testdata/Instance/data.tags_ignore/main_gen.tf
index c461c7e75c53..3e7cef616c73 100644
--- a/internal/service/ec2/testdata/Instance/data.tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/data.tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Instance/list_basic/main.tf b/internal/service/ec2/testdata/Instance/list_basic/main.tf
index d88aa6324cfe..f6e2cfebf2fd 100644
--- a/internal/service/ec2/testdata/Instance/list_basic/main.tf
+++ b/internal/service/ec2/testdata/Instance/list_basic/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Instance/list_basic/main.tfquery.hcl b/internal/service/ec2/testdata/Instance/list_basic/main.tfquery.hcl
index ed585f6b87be..5e428a992852 100644
--- a/internal/service/ec2/testdata/Instance/list_basic/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Instance/list_basic/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tf b/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tf
index f994bc816b2c..6fc6ec6fe895 100644
--- a/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tf
+++ b/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tfquery.hcl b/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tfquery.hcl
index d3efe088c97f..89cb27e7d052 100644
--- a/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Instance/list_exclude_autoscaled/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_instance" "excluded" {
diff --git a/internal/service/ec2/testdata/Instance/list_filtered/main.tf b/internal/service/ec2/testdata/Instance/list_filtered/main.tf
index b443362903b8..889ade49eeeb 100644
--- a/internal/service/ec2/testdata/Instance/list_filtered/main.tf
+++ b/internal/service/ec2/testdata/Instance/list_filtered/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Instance/list_filtered/main.tfquery.hcl b/internal/service/ec2/testdata/Instance/list_filtered/main.tfquery.hcl
index f4d65cfbd1de..2ae5db19bb29 100644
--- a/internal/service/ec2/testdata/Instance/list_filtered/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Instance/list_filtered/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/list_region_override/main.tf b/internal/service/ec2/testdata/Instance/list_region_override/main.tf
index 05a65a6027a7..5f1f394db4e0 100644
--- a/internal/service/ec2/testdata/Instance/list_region_override/main.tf
+++ b/internal/service/ec2/testdata/Instance/list_region_override/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Instance/list_region_override/main.tfquery.hcl b/internal/service/ec2/testdata/Instance/list_region_override/main.tfquery.hcl
index aeff71aebd72..fc98f7e61683 100644
--- a/internal/service/ec2/testdata/Instance/list_region_override/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Instance/list_region_override/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/region_override/main_gen.tf b/internal/service/ec2/testdata/Instance/region_override/main_gen.tf
index 84ff8e6deaa1..379ad94f7f31 100644
--- a/internal/service/ec2/testdata/Instance/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/tags/main_gen.tf b/internal/service/ec2/testdata/Instance/tags/main_gen.tf
index b7ea151fd725..b876b6c995f1 100644
--- a/internal/service/ec2/testdata/Instance/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_instance" "test" {
diff --git a/internal/service/ec2/testdata/Instance/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/Instance/tagsComputed1/main_gen.tf
index 1118d5551e88..2d2c2d6361db 100644
--- a/internal/service/ec2/testdata/Instance/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/Instance/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/Instance/tagsComputed2/main_gen.tf
index 9277e6ddb356..eb90fde0f5e6 100644
--- a/internal/service/ec2/testdata/Instance/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/Instance/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/Instance/tags_defaults/main_gen.tf
index f68ecbdae064..2b6d38baef34 100644
--- a/internal/service/ec2/testdata/Instance/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Instance/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/Instance/tags_ignore/main_gen.tf
index 630b9defc4ac..7965418b121e 100644
--- a/internal/service/ec2/testdata/Instance/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/Instance/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Route/basic/main_gen.tf b/internal/service/ec2/testdata/Route/basic/main_gen.tf
index 59feddab1f01..150e6b1a5d5c 100644
--- a/internal/service/ec2/testdata/Route/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/Route/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route" "test" {
diff --git a/internal/service/ec2/testdata/Route/basic_v6.10.0/main_gen.tf b/internal/service/ec2/testdata/Route/basic_v6.10.0/main_gen.tf
index 22f2106d9398..d5cc34de2964 100644
--- a/internal/service/ec2/testdata/Route/basic_v6.10.0/main_gen.tf
+++ b/internal/service/ec2/testdata/Route/basic_v6.10.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route" "test" {
diff --git a/internal/service/ec2/testdata/Route/region_override/main_gen.tf b/internal/service/ec2/testdata/Route/region_override/main_gen.tf
index 0020eb1d3811..a83cf3a3dd39 100644
--- a/internal/service/ec2/testdata/Route/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/Route/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route" "test" {
diff --git a/internal/service/ec2/testdata/RouteTable/basic/main_gen.tf b/internal/service/ec2/testdata/RouteTable/basic/main_gen.tf
index c4b31f642229..930e3e661b38 100644
--- a/internal/service/ec2/testdata/RouteTable/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route_table" "test" {
diff --git a/internal/service/ec2/testdata/RouteTable/basic_v6.9.0/main_gen.tf b/internal/service/ec2/testdata/RouteTable/basic_v6.9.0/main_gen.tf
index 16206b2738fe..fa49f95e02ae 100644
--- a/internal/service/ec2/testdata/RouteTable/basic_v6.9.0/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/basic_v6.9.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route_table" "test" {
diff --git a/internal/service/ec2/testdata/RouteTable/data.tags/main_gen.tf b/internal/service/ec2/testdata/RouteTable/data.tags/main_gen.tf
index 79232514bf89..c0c8d3402638 100644
--- a/internal/service/ec2/testdata/RouteTable/data.tags/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/data.tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 # tflint-ignore: terraform_unused_declarations
diff --git a/internal/service/ec2/testdata/RouteTable/region_override/main_gen.tf b/internal/service/ec2/testdata/RouteTable/region_override/main_gen.tf
index 8322514840aa..6166cb27608d 100644
--- a/internal/service/ec2/testdata/RouteTable/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route_table" "test" {
diff --git a/internal/service/ec2/testdata/RouteTable/tags/main_gen.tf b/internal/service/ec2/testdata/RouteTable/tags/main_gen.tf
index 231f0e792309..bbc644eb0390 100644
--- a/internal/service/ec2/testdata/RouteTable/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_route_table" "test" {
diff --git a/internal/service/ec2/testdata/RouteTable/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/RouteTable/tagsComputed1/main_gen.tf
index 7ee7ff7fbea5..33229de1234e 100644
--- a/internal/service/ec2/testdata/RouteTable/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/RouteTable/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/RouteTable/tagsComputed2/main_gen.tf
index 30880ce66316..58da14ec0dff 100644
--- a/internal/service/ec2/testdata/RouteTable/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/RouteTable/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/RouteTable/tags_defaults/main_gen.tf
index a6e6901be8d2..e6e42aed8f06 100644
--- a/internal/service/ec2/testdata/RouteTable/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/RouteTable/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/RouteTable/tags_ignore/main_gen.tf
index 69362e51d111..2c9c9a41ddb6 100644
--- a/internal/service/ec2/testdata/RouteTable/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/RouteTable/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/basic/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/basic/main_gen.tf
index 67d8a529a3f2..acf2d5c2822a 100644
--- a/internal/service/ec2/testdata/SecurityGroup/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_security_group" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/basic_v6.7.0/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/basic_v6.7.0/main_gen.tf
index 80d9a7cdd57f..8f2a54b878c4 100644
--- a/internal/service/ec2/testdata/SecurityGroup/basic_v6.7.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/basic_v6.7.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_security_group" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/data.tags/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/data.tags/main_gen.tf
index 3ce91a1fc539..406052b07935 100644
--- a/internal/service/ec2/testdata/SecurityGroup/data.tags/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/data.tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 # tflint-ignore: terraform_unused_declarations
diff --git a/internal/service/ec2/testdata/SecurityGroup/data.tags_defaults/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/data.tags_defaults/main_gen.tf
index d6725f233806..011a278e28b1 100644
--- a/internal/service/ec2/testdata/SecurityGroup/data.tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/data.tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/data.tags_ignore/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/data.tags_ignore/main_gen.tf
index f3128f8e15da..bf5debc98cc1 100644
--- a/internal/service/ec2/testdata/SecurityGroup/data.tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/data.tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/region_override/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/region_override/main_gen.tf
index 428723a7b319..b1d7b9973410 100644
--- a/internal/service/ec2/testdata/SecurityGroup/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_security_group" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/tags/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/tags/main_gen.tf
index 0614eafbcce8..91c31dbf7e18 100644
--- a/internal/service/ec2/testdata/SecurityGroup/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_security_group" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/tagsComputed1/main_gen.tf
index 433e0614eb70..33d2831e0072 100644
--- a/internal/service/ec2/testdata/SecurityGroup/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/SecurityGroup/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/tagsComputed2/main_gen.tf
index f4e07c753b9d..f20a51969f94 100644
--- a/internal/service/ec2/testdata/SecurityGroup/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/SecurityGroup/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/tags_defaults/main_gen.tf
index bdf0d08c4336..e97d061e2014 100644
--- a/internal/service/ec2/testdata/SecurityGroup/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroup/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/SecurityGroup/tags_ignore/main_gen.tf
index 83ddd6c7cfa5..1e284bc9e627 100644
--- a/internal/service/ec2/testdata/SecurityGroup/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroup/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/basic/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/basic/main_gen.tf
index f748f945acba..155023039236 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_egress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/basic_v6.12.0/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/basic_v6.12.0/main_gen.tf
index 564690b46994..59ae2debd532 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/basic_v6.12.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/basic_v6.12.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_egress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/region_override/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/region_override/main_gen.tf
index 8a56cdac0a16..e5f88de299eb 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_egress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/tags/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/tags/main_gen.tf
index 7ed16bb8e681..2e6a95dd55ee 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_egress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed1/main_gen.tf
index d5a0172ea5eb..d55b3457d6dc 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed2/main_gen.tf
index 0aca211c7b18..92d20281edcf 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_defaults/main_gen.tf
index 4667a5154b12..070add0f651b 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_ignore/main_gen.tf
index 29a553531f63..44bc09ed3151 100644
--- a/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupEgressRule/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/basic/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/basic/main_gen.tf
index d457825a0a1b..bf4d6d2b0e50 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_ingress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/basic_v6.12.0/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/basic_v6.12.0/main_gen.tf
index 84c9fb6741f6..78e2358f5500 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/basic_v6.12.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/basic_v6.12.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_ingress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/region_override/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/region_override/main_gen.tf
index 4c387aabfe42..f2c15512486e 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_ingress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/tags/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/tags/main_gen.tf
index 9c8d79537ecb..bf41e549f720 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_ingress_rule" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed1/main_gen.tf
index 9f505fe44bb5..0b2e701eb025 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed2/main_gen.tf
index 0ab88d143adb..0d91990aa70f 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_defaults/main_gen.tf
index 4bc4a22fd65a..5a6c4688e863 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_ignore/main_gen.tf
index f99583144f35..33d5e7bbf05c 100644
--- a/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupIngressRule/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic/main_gen.tf
index 600670d7c851..3b9d16f710bb 100644
--- a/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_vpc_association" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic_v6.0.0/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic_v6.0.0/main_gen.tf
index 041b2bd6d2dc..f4caaa3aae9c 100644
--- a/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic_v6.0.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupVPCAssociation/basic_v6.0.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_vpc_association" "test" {
diff --git a/internal/service/ec2/testdata/SecurityGroupVPCAssociation/region_override/main_gen.tf b/internal/service/ec2/testdata/SecurityGroupVPCAssociation/region_override/main_gen.tf
index 8b6d46ce387d..7068a4a405c1 100644
--- a/internal/service/ec2/testdata/SecurityGroupVPCAssociation/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/SecurityGroupVPCAssociation/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_security_group_vpc_association" "test" {
diff --git a/internal/service/ec2/testdata/SerialConsoleAccess/basic/main_gen.tf b/internal/service/ec2/testdata/SerialConsoleAccess/basic/main_gen.tf
index d8dd6c57fc71..08273b005012 100644
--- a/internal/service/ec2/testdata/SerialConsoleAccess/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/SerialConsoleAccess/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_serial_console_access" "test" {
diff --git a/internal/service/ec2/testdata/SerialConsoleAccess/basic_v5.100.0/main_gen.tf b/internal/service/ec2/testdata/SerialConsoleAccess/basic_v5.100.0/main_gen.tf
index 559080e2b132..08acd6d5bd2a 100644
--- a/internal/service/ec2/testdata/SerialConsoleAccess/basic_v5.100.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SerialConsoleAccess/basic_v5.100.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_serial_console_access" "test" {
diff --git a/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.0.0/main_gen.tf b/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.0.0/main_gen.tf
index e8187d7d5f8e..92379310052e 100644
--- a/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.0.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.0.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_serial_console_access" "test" {
diff --git a/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.20.0/main_gen.tf b/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.20.0/main_gen.tf
index d02066ba2f54..79da1b287bec 100644
--- a/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.20.0/main_gen.tf
+++ b/internal/service/ec2/testdata/SerialConsoleAccess/basic_v6.20.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_serial_console_access" "test" {
diff --git a/internal/service/ec2/testdata/SerialConsoleAccess/region_override/main_gen.tf b/internal/service/ec2/testdata/SerialConsoleAccess/region_override/main_gen.tf
index ab68872cde47..6777e5b36c1e 100644
--- a/internal/service/ec2/testdata/SerialConsoleAccess/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/SerialConsoleAccess/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_ec2_serial_console_access" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/basic/main_gen.tf b/internal/service/ec2/testdata/Subnet/basic/main_gen.tf
index dd708ec5350f..8d21f6256552 100644
--- a/internal/service/ec2/testdata/Subnet/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/basic_v6.8.0/main_gen.tf b/internal/service/ec2/testdata/Subnet/basic_v6.8.0/main_gen.tf
index 0e1bcefbdaef..bab185a1b2cb 100644
--- a/internal/service/ec2/testdata/Subnet/basic_v6.8.0/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/basic_v6.8.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/data.tags/main_gen.tf b/internal/service/ec2/testdata/Subnet/data.tags/main_gen.tf
index 92fa1d163c05..94cee3477237 100644
--- a/internal/service/ec2/testdata/Subnet/data.tags/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/data.tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 # tflint-ignore: terraform_unused_declarations
diff --git a/internal/service/ec2/testdata/Subnet/data.tags_defaults/main_gen.tf b/internal/service/ec2/testdata/Subnet/data.tags_defaults/main_gen.tf
index 20015f966bb0..de68b3e0784b 100644
--- a/internal/service/ec2/testdata/Subnet/data.tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/data.tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Subnet/data.tags_ignore/main_gen.tf b/internal/service/ec2/testdata/Subnet/data.tags_ignore/main_gen.tf
index 1bef78df232f..1279bbd65516 100644
--- a/internal/service/ec2/testdata/Subnet/data.tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/data.tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Subnet/list_basic/main.tf b/internal/service/ec2/testdata/Subnet/list_basic/main.tf
index 190822a57037..c2fdbfb86626 100644
--- a/internal/service/ec2/testdata/Subnet/list_basic/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_basic/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_basic/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_basic/main.tfquery.hcl
index 8921c5babb87..a837f6ea9837 100644
--- a/internal/service/ec2/testdata/Subnet/list_basic/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_basic/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tf b/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tf
index 3169260fdb36..d468c48c730b 100644
--- a/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tfquery.hcl
index 8921c5babb87..a837f6ea9837 100644
--- a/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_exclude_default/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/list_filtered/main.tf b/internal/service/ec2/testdata/Subnet/list_filtered/main.tf
index a15c818ae6b4..12e88edc1c9f 100644
--- a/internal/service/ec2/testdata/Subnet/list_filtered/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_filtered/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 # provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_filtered/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_filtered/main.tfquery.hcl
index 1d62b3758f8b..c5e1de6fe64d 100644
--- a/internal/service/ec2/testdata/Subnet/list_filtered/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_filtered/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tf b/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tf
index 4e2b0706b834..203d7f127803 100644
--- a/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tfquery.hcl
index 984bfb36126c..6f36fe9de877 100644
--- a/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_filtered_default_for_az/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tf b/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tf
index 35a857e39619..02b7568dc4b3 100644
--- a/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tfquery.hcl
index c4a6eaeb40bc..e8ceaad014b0 100644
--- a/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_filtered_subnet_ids/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/list_region_override/main.tf b/internal/service/ec2/testdata/Subnet/list_region_override/main.tf
index ddb33491f01c..b3f38360427e 100644
--- a/internal/service/ec2/testdata/Subnet/list_region_override/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_region_override/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_region_override/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_region_override/main.tfquery.hcl
index 9ed9aac8ba42..73c4cdab547d 100644
--- a/internal/service/ec2/testdata/Subnet/list_region_override/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_region_override/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tf b/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tf
index e5c3a15b4f8d..1d2eecc04ed7 100644
--- a/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tf
+++ b/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tfquery.hcl b/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tfquery.hcl
index 2ad721d9df23..696649c933e7 100644
--- a/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/Subnet/list_subnet_ids/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/region_override/main_gen.tf b/internal/service/ec2/testdata/Subnet/region_override/main_gen.tf
index 9fb8bc73c9e2..d1a016ded110 100644
--- a/internal/service/ec2/testdata/Subnet/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/tags/main_gen.tf b/internal/service/ec2/testdata/Subnet/tags/main_gen.tf
index 59a3d0f6cd3d..94b223c28a8d 100644
--- a/internal/service/ec2/testdata/Subnet/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_subnet" "test" {
diff --git a/internal/service/ec2/testdata/Subnet/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/Subnet/tagsComputed1/main_gen.tf
index f43dff4c1d05..a3feb4d6be7a 100644
--- a/internal/service/ec2/testdata/Subnet/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/Subnet/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/Subnet/tagsComputed2/main_gen.tf
index 47bd6221e791..faf729c94aa3 100644
--- a/internal/service/ec2/testdata/Subnet/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/Subnet/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/Subnet/tags_defaults/main_gen.tf
index 8bc3a29ee1ff..5e549879ead5 100644
--- a/internal/service/ec2/testdata/Subnet/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/Subnet/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/Subnet/tags_ignore/main_gen.tf
index baed57f4219a..fce9ca4236bd 100644
--- a/internal/service/ec2/testdata/Subnet/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/Subnet/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPC/basic/main_gen.tf b/internal/service/ec2/testdata/VPC/basic/main_gen.tf
index 655d2e1e6ede..bf6d5ce4bb6c 100644
--- a/internal/service/ec2/testdata/VPC/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/basic_v6.15.0/main_gen.tf b/internal/service/ec2/testdata/VPC/basic_v6.15.0/main_gen.tf
index 813ba6a19c43..aeaffec732ed 100644
--- a/internal/service/ec2/testdata/VPC/basic_v6.15.0/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/basic_v6.15.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/data.tags/main_gen.tf b/internal/service/ec2/testdata/VPC/data.tags/main_gen.tf
index b20dd2d74b66..56105e2c704e 100644
--- a/internal/service/ec2/testdata/VPC/data.tags/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/data.tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 # tflint-ignore: terraform_unused_declarations
diff --git a/internal/service/ec2/testdata/VPC/data.tags_defaults/main_gen.tf b/internal/service/ec2/testdata/VPC/data.tags_defaults/main_gen.tf
index 8b5146f1116a..c7c3fabca0fb 100644
--- a/internal/service/ec2/testdata/VPC/data.tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/data.tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPC/data.tags_ignore/main_gen.tf b/internal/service/ec2/testdata/VPC/data.tags_ignore/main_gen.tf
index 632d50bf92db..13ee1dadeeb3 100644
--- a/internal/service/ec2/testdata/VPC/data.tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/data.tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPC/list_basic/main.tf b/internal/service/ec2/testdata/VPC/list_basic/main.tf
index 0799f343f274..2ee31252720c 100644
--- a/internal/service/ec2/testdata/VPC/list_basic/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_basic/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_basic/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_basic/main.tfquery.hcl
index 6b042e21a0d7..446a1918f36c 100644
--- a/internal/service/ec2/testdata/VPC/list_basic/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_basic/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/list_exclude_default/main.tf b/internal/service/ec2/testdata/VPC/list_exclude_default/main.tf
index b414b3bee713..143c39ec25a8 100644
--- a/internal/service/ec2/testdata/VPC/list_exclude_default/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_exclude_default/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_exclude_default/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_exclude_default/main.tfquery.hcl
index 6b042e21a0d7..446a1918f36c 100644
--- a/internal/service/ec2/testdata/VPC/list_exclude_default/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_exclude_default/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/list_filtered/main.tf b/internal/service/ec2/testdata/VPC/list_filtered/main.tf
index 9b481e7ac7a3..b598793ffdcc 100644
--- a/internal/service/ec2/testdata/VPC/list_filtered/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_filtered/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_filtered/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_filtered/main.tfquery.hcl
index 860171d2627c..b455508d43fc 100644
--- a/internal/service/ec2/testdata/VPC/list_filtered/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_filtered/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tf b/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tf
index 4e2b0706b834..203d7f127803 100644
--- a/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tfquery.hcl
index d91dd8d70eb6..2898f7f77c50 100644
--- a/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_filtered_is_default/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tf b/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tf
index 9b481e7ac7a3..b598793ffdcc 100644
--- a/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tfquery.hcl
index 045ce9ab63c2..3436186d579f 100644
--- a/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_filtered_vpc_ids/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/list_region_override/main.tf b/internal/service/ec2/testdata/VPC/list_region_override/main.tf
index 856800b3188f..00034636c4f3 100644
--- a/internal/service/ec2/testdata/VPC/list_region_override/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_region_override/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_region_override/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_region_override/main.tfquery.hcl
index f2c1ddce2fda..694c9a6f7895 100644
--- a/internal/service/ec2/testdata/VPC/list_region_override/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_region_override/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tf b/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tf
index 0799f343f274..2ee31252720c 100644
--- a/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tf
+++ b/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {}
diff --git a/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tfquery.hcl b/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tfquery.hcl
index 8175671f3584..59df473437f0 100644
--- a/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tfquery.hcl
+++ b/internal/service/ec2/testdata/VPC/list_vpc_ids/main.tfquery.hcl
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 list "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/region_override/main_gen.tf b/internal/service/ec2/testdata/VPC/region_override/main_gen.tf
index 81d85f59e009..3fb5843cce3f 100644
--- a/internal/service/ec2/testdata/VPC/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/tags/main_gen.tf b/internal/service/ec2/testdata/VPC/tags/main_gen.tf
index f31d8b27c62c..aa568776bf3f 100644
--- a/internal/service/ec2/testdata/VPC/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc" "test" {
diff --git a/internal/service/ec2/testdata/VPC/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/VPC/tagsComputed1/main_gen.tf
index 610c11416c71..5eea76801eaa 100644
--- a/internal/service/ec2/testdata/VPC/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/VPC/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/VPC/tagsComputed2/main_gen.tf
index 62eed19089d0..26cafeddece5 100644
--- a/internal/service/ec2/testdata/VPC/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/VPC/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/VPC/tags_defaults/main_gen.tf
index 92b52b135789..f92ffa0bd76a 100644
--- a/internal/service/ec2/testdata/VPC/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPC/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/VPC/tags_ignore/main_gen.tf
index 5879e0b0fc94..de1926f9699f 100644
--- a/internal/service/ec2/testdata/VPC/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/VPC/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/basic/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/basic/main_gen.tf
index 62d79daf03b1..4183c3eaa8d6 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_encryption_control" "test" {
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/region_override/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/region_override/main_gen.tf
index 00ab1d3952b7..c3df6b3381d9 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_encryption_control" "test" {
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/tags/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/tags/main_gen.tf
index 1cf016be428b..54dcf3677534 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/tags/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/tags/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_encryption_control" "test" {
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed1/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed1/main_gen.tf
index cdbe80db175d..c997843c6957 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed1/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed1/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed2/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed2/main_gen.tf
index 8e809a45f7a7..362c63de2c14 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed2/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/tagsComputed2/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "null" {}
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/tags_defaults/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/tags_defaults/main_gen.tf
index e319bd2bc766..eb3305a2e4d4 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/tags_defaults/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/tags_defaults/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPCEncryptionControl/tags_ignore/main_gen.tf b/internal/service/ec2/testdata/VPCEncryptionControl/tags_ignore/main_gen.tf
index 2ad5d0794413..ff1827c4345a 100644
--- a/internal/service/ec2/testdata/VPCEncryptionControl/tags_ignore/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEncryptionControl/tags_ignore/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 provider "aws" {
diff --git a/internal/service/ec2/testdata/VPCEndpoint/basic/main_gen.tf b/internal/service/ec2/testdata/VPCEndpoint/basic/main_gen.tf
index 3aaad7927da6..63b28adc1ad0 100644
--- a/internal/service/ec2/testdata/VPCEndpoint/basic/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEndpoint/basic/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_endpoint" "test" {
diff --git a/internal/service/ec2/testdata/VPCEndpoint/basic_v6.12.0/main_gen.tf b/internal/service/ec2/testdata/VPCEndpoint/basic_v6.12.0/main_gen.tf
index e3f815e16db6..93941e5e70eb 100644
--- a/internal/service/ec2/testdata/VPCEndpoint/basic_v6.12.0/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEndpoint/basic_v6.12.0/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_endpoint" "test" {
diff --git a/internal/service/ec2/testdata/VPCEndpoint/region_override/main_gen.tf b/internal/service/ec2/testdata/VPCEndpoint/region_override/main_gen.tf
index 4bbb3ee181c2..db479e3333a1 100644
--- a/internal/service/ec2/testdata/VPCEndpoint/region_override/main_gen.tf
+++ b/internal/service/ec2/testdata/VPCEndpoint/region_override/main_gen.tf
@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2014, 2025
 # SPDX-License-Identifier: MPL-2.0
 
 resource "aws_vpc_endpoint" "test" {
diff --git a/internal/service/ec2/transitgateway_.go b/internal/service/ec2/transitgateway_.go
index aa131f2b0aaf..cdbd5ddece1d 100644
--- a/internal/service/ec2/transitgateway_.go
+++ b/internal/service/ec2/transitgateway_.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_attachment_data_source.go b/internal/service/ec2/transitgateway_attachment_data_source.go
index a3148c941049..54896307229f 100644
--- a/internal/service/ec2/transitgateway_attachment_data_source.go
+++ b/internal/service/ec2/transitgateway_attachment_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_attachment_data_source_test.go b/internal/service/ec2/transitgateway_attachment_data_source_test.go
index 8a6fcae3571c..3f664677ad07 100644
--- a/internal/service/ec2/transitgateway_attachment_data_source_test.go
+++ b/internal/service/ec2/transitgateway_attachment_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_attachments_data_source.go b/internal/service/ec2/transitgateway_attachments_data_source.go
index 6bf587fc6da2..882a44ce5ecb 100644
--- a/internal/service/ec2/transitgateway_attachments_data_source.go
+++ b/internal/service/ec2/transitgateway_attachments_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_attachments_data_source_test.go b/internal/service/ec2/transitgateway_attachments_data_source_test.go
index 54b39099d6f8..028f6b76774e 100644
--- a/internal/service/ec2/transitgateway_attachments_data_source_test.go
+++ b/internal/service/ec2/transitgateway_attachments_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_connect.go b/internal/service/ec2/transitgateway_connect.go
index 3e07d4e97024..47e826135026 100644
--- a/internal/service/ec2/transitgateway_connect.go
+++ b/internal/service/ec2/transitgateway_connect.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_connect_data_source.go b/internal/service/ec2/transitgateway_connect_data_source.go
index 8c9d60484aae..6a94348144d2 100644
--- a/internal/service/ec2/transitgateway_connect_data_source.go
+++ b/internal/service/ec2/transitgateway_connect_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_connect_data_source_test.go b/internal/service/ec2/transitgateway_connect_data_source_test.go
index 9ff7b8f225e1..65ecb77469b9 100644
--- a/internal/service/ec2/transitgateway_connect_data_source_test.go
+++ b/internal/service/ec2/transitgateway_connect_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_connect_peer.go b/internal/service/ec2/transitgateway_connect_peer.go
index 9bf281c828b5..93ec7c7b1545 100644
--- a/internal/service/ec2/transitgateway_connect_peer.go
+++ b/internal/service/ec2/transitgateway_connect_peer.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_connect_peer_data_source.go b/internal/service/ec2/transitgateway_connect_peer_data_source.go
index aa11772ca687..8ce9d1d1c014 100644
--- a/internal/service/ec2/transitgateway_connect_peer_data_source.go
+++ b/internal/service/ec2/transitgateway_connect_peer_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_connect_peer_data_source_test.go b/internal/service/ec2/transitgateway_connect_peer_data_source_test.go
index 79af21dc5882..8bd94668fe34 100644
--- a/internal/service/ec2/transitgateway_connect_peer_data_source_test.go
+++ b/internal/service/ec2/transitgateway_connect_peer_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_connect_peer_test.go b/internal/service/ec2/transitgateway_connect_peer_test.go
index 70bf37981277..5ad694507f69 100644
--- a/internal/service/ec2/transitgateway_connect_peer_test.go
+++ b/internal/service/ec2/transitgateway_connect_peer_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_connect_test.go b/internal/service/ec2/transitgateway_connect_test.go
index 1be9098af2cf..0f74872b217e 100644
--- a/internal/service/ec2/transitgateway_connect_test.go
+++ b/internal/service/ec2/transitgateway_connect_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_data_source.go b/internal/service/ec2/transitgateway_data_source.go
index 167f6462bb85..64dd2aad669c 100644
--- a/internal/service/ec2/transitgateway_data_source.go
+++ b/internal/service/ec2/transitgateway_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_data_source_test.go b/internal/service/ec2/transitgateway_data_source_test.go
index 777579d50f8b..4a6d315eb5c3 100644
--- a/internal/service/ec2/transitgateway_data_source_test.go
+++ b/internal/service/ec2/transitgateway_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_default_route_table_association.go b/internal/service/ec2/transitgateway_default_route_table_association.go
index 63057c2ef831..b7389b0e9936 100644
--- a/internal/service/ec2/transitgateway_default_route_table_association.go
+++ b/internal/service/ec2/transitgateway_default_route_table_association.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_default_route_table_association_test.go b/internal/service/ec2/transitgateway_default_route_table_association_test.go
index 1b6fd44e48e3..d2506a3025ad 100644
--- a/internal/service/ec2/transitgateway_default_route_table_association_test.go
+++ b/internal/service/ec2/transitgateway_default_route_table_association_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_default_route_table_propagation.go b/internal/service/ec2/transitgateway_default_route_table_propagation.go
index a0605e688a7f..7544d2c3d8ab 100644
--- a/internal/service/ec2/transitgateway_default_route_table_propagation.go
+++ b/internal/service/ec2/transitgateway_default_route_table_propagation.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_default_route_table_propagation_test.go b/internal/service/ec2/transitgateway_default_route_table_propagation_test.go
index caa661ab51eb..f795f8eea48e 100644
--- a/internal/service/ec2/transitgateway_default_route_table_propagation_test.go
+++ b/internal/service/ec2/transitgateway_default_route_table_propagation_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source.go b/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source.go
index b7340fcf059c..9fa6a009c2e3 100644
--- a/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source.go
+++ b/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source_test.go b/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source_test.go
index cf5cc40c0d12..5322472c560f 100644
--- a/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source_test.go
+++ b/internal/service/ec2/transitgateway_dx_gateway_attachment_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_multicast_domain.go b/internal/service/ec2/transitgateway_multicast_domain.go
index 0f5f4d2f6817..b51691d63f66 100644
--- a/internal/service/ec2/transitgateway_multicast_domain.go
+++ b/internal/service/ec2/transitgateway_multicast_domain.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_multicast_domain_association.go b/internal/service/ec2/transitgateway_multicast_domain_association.go
index 2e8421c8a1e9..9081c9a27d84 100644
--- a/internal/service/ec2/transitgateway_multicast_domain_association.go
+++ b/internal/service/ec2/transitgateway_multicast_domain_association.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_multicast_domain_association_test.go b/internal/service/ec2/transitgateway_multicast_domain_association_test.go
index 3776380b6d80..d0a0481cff39 100644
--- a/internal/service/ec2/transitgateway_multicast_domain_association_test.go
+++ b/internal/service/ec2/transitgateway_multicast_domain_association_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_multicast_domain_data_source.go b/internal/service/ec2/transitgateway_multicast_domain_data_source.go
index 403139aebcd6..fc5054d1b26d 100644
--- a/internal/service/ec2/transitgateway_multicast_domain_data_source.go
+++ b/internal/service/ec2/transitgateway_multicast_domain_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_multicast_domain_data_source_test.go b/internal/service/ec2/transitgateway_multicast_domain_data_source_test.go
index 8422fb9ab83a..a24b4c138d6f 100644
--- a/internal/service/ec2/transitgateway_multicast_domain_data_source_test.go
+++ b/internal/service/ec2/transitgateway_multicast_domain_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_multicast_domain_test.go b/internal/service/ec2/transitgateway_multicast_domain_test.go
index 4f9f4e129634..32922a93c383 100644
--- a/internal/service/ec2/transitgateway_multicast_domain_test.go
+++ b/internal/service/ec2/transitgateway_multicast_domain_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_multicast_group_member.go b/internal/service/ec2/transitgateway_multicast_group_member.go
index 89396d327056..7af1e449cc7e 100644
--- a/internal/service/ec2/transitgateway_multicast_group_member.go
+++ b/internal/service/ec2/transitgateway_multicast_group_member.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_multicast_group_member_test.go b/internal/service/ec2/transitgateway_multicast_group_member_test.go
index 103276e8259e..561620fc96ab 100644
--- a/internal/service/ec2/transitgateway_multicast_group_member_test.go
+++ b/internal/service/ec2/transitgateway_multicast_group_member_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_multicast_group_source.go b/internal/service/ec2/transitgateway_multicast_group_source.go
index 44eb3a50302a..3128d3e3bf11 100644
--- a/internal/service/ec2/transitgateway_multicast_group_source.go
+++ b/internal/service/ec2/transitgateway_multicast_group_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_multicast_group_source_test.go b/internal/service/ec2/transitgateway_multicast_group_source_test.go
index ba6598932594..04c994488280 100644
--- a/internal/service/ec2/transitgateway_multicast_group_source_test.go
+++ b/internal/service/ec2/transitgateway_multicast_group_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_peering_attachment.go b/internal/service/ec2/transitgateway_peering_attachment.go
index c3c6846d8a5d..751a46ffcf26 100644
--- a/internal/service/ec2/transitgateway_peering_attachment.go
+++ b/internal/service/ec2/transitgateway_peering_attachment.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_peering_attachment_accepter.go b/internal/service/ec2/transitgateway_peering_attachment_accepter.go
index 561a7f826e00..876b130836ac 100644
--- a/internal/service/ec2/transitgateway_peering_attachment_accepter.go
+++ b/internal/service/ec2/transitgateway_peering_attachment_accepter.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_peering_attachment_accepter_test.go b/internal/service/ec2/transitgateway_peering_attachment_accepter_test.go
index 70489186443f..92d9416d6188 100644
--- a/internal/service/ec2/transitgateway_peering_attachment_accepter_test.go
+++ b/internal/service/ec2/transitgateway_peering_attachment_accepter_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_peering_attachment_data_source.go b/internal/service/ec2/transitgateway_peering_attachment_data_source.go
index e68222c908c0..4c66adf15226 100644
--- a/internal/service/ec2/transitgateway_peering_attachment_data_source.go
+++ b/internal/service/ec2/transitgateway_peering_attachment_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_peering_attachment_data_source_test.go b/internal/service/ec2/transitgateway_peering_attachment_data_source_test.go
index f682ab08c2aa..c8366b28092e 100644
--- a/internal/service/ec2/transitgateway_peering_attachment_data_source_test.go
+++ b/internal/service/ec2/transitgateway_peering_attachment_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_peering_attachment_test.go b/internal/service/ec2/transitgateway_peering_attachment_test.go
index 1825211e4386..4895158ac60d 100644
--- a/internal/service/ec2/transitgateway_peering_attachment_test.go
+++ b/internal/service/ec2/transitgateway_peering_attachment_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_peering_attachments_data_source.go b/internal/service/ec2/transitgateway_peering_attachments_data_source.go
index 1a11581df199..551c058ef561 100644
--- a/internal/service/ec2/transitgateway_peering_attachments_data_source.go
+++ b/internal/service/ec2/transitgateway_peering_attachments_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_peering_attachments_data_source_test.go b/internal/service/ec2/transitgateway_peering_attachments_data_source_test.go
index 0a5eac22f0d4..8739747b611e 100644
--- a/internal/service/ec2/transitgateway_peering_attachments_data_source_test.go
+++ b/internal/service/ec2/transitgateway_peering_attachments_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_policy_table.go b/internal/service/ec2/transitgateway_policy_table.go
index 3ceacb773405..12984e5f4df1 100644
--- a/internal/service/ec2/transitgateway_policy_table.go
+++ b/internal/service/ec2/transitgateway_policy_table.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_policy_table_association.go b/internal/service/ec2/transitgateway_policy_table_association.go
index b10dbca92a23..dc9f449c0d63 100644
--- a/internal/service/ec2/transitgateway_policy_table_association.go
+++ b/internal/service/ec2/transitgateway_policy_table_association.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_policy_table_association_test.go b/internal/service/ec2/transitgateway_policy_table_association_test.go
index 01745b561aea..847de3b068e4 100644
--- a/internal/service/ec2/transitgateway_policy_table_association_test.go
+++ b/internal/service/ec2/transitgateway_policy_table_association_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_policy_table_test.go b/internal/service/ec2/transitgateway_policy_table_test.go
index e5f0243eb089..8d83ea67311e 100644
--- a/internal/service/ec2/transitgateway_policy_table_test.go
+++ b/internal/service/ec2/transitgateway_policy_table_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_prefix_list_reference.go b/internal/service/ec2/transitgateway_prefix_list_reference.go
index 206e856beec0..89de5c6efd22 100644
--- a/internal/service/ec2/transitgateway_prefix_list_reference.go
+++ b/internal/service/ec2/transitgateway_prefix_list_reference.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_prefix_list_reference_test.go b/internal/service/ec2/transitgateway_prefix_list_reference_test.go
index b9eaa3524660..6d1aec696baf 100644
--- a/internal/service/ec2/transitgateway_prefix_list_reference_test.go
+++ b/internal/service/ec2/transitgateway_prefix_list_reference_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route.go b/internal/service/ec2/transitgateway_route.go
index c0d306c0d545..345755559445 100644
--- a/internal/service/ec2/transitgateway_route.go
+++ b/internal/service/ec2/transitgateway_route.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table.go b/internal/service/ec2/transitgateway_route_table.go
index 6eb706e5cd18..98987b44a1c9 100644
--- a/internal/service/ec2/transitgateway_route_table.go
+++ b/internal/service/ec2/transitgateway_route_table.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_association.go b/internal/service/ec2/transitgateway_route_table_association.go
index 252c0160466c..99cea0a68010 100644
--- a/internal/service/ec2/transitgateway_route_table_association.go
+++ b/internal/service/ec2/transitgateway_route_table_association.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_association_test.go b/internal/service/ec2/transitgateway_route_table_association_test.go
index 9127862709ff..c013e05b7ae1 100644
--- a/internal/service/ec2/transitgateway_route_table_association_test.go
+++ b/internal/service/ec2/transitgateway_route_table_association_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_table_associations_data_source.go b/internal/service/ec2/transitgateway_route_table_associations_data_source.go
index 54bcadb9c8ea..316dda980faa 100644
--- a/internal/service/ec2/transitgateway_route_table_associations_data_source.go
+++ b/internal/service/ec2/transitgateway_route_table_associations_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_associations_data_source_test.go b/internal/service/ec2/transitgateway_route_table_associations_data_source_test.go
index ad1a36c8d048..0448ed575b02 100644
--- a/internal/service/ec2/transitgateway_route_table_associations_data_source_test.go
+++ b/internal/service/ec2/transitgateway_route_table_associations_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_table_data_source.go b/internal/service/ec2/transitgateway_route_table_data_source.go
index ce28b4d0d566..26c178b992f1 100644
--- a/internal/service/ec2/transitgateway_route_table_data_source.go
+++ b/internal/service/ec2/transitgateway_route_table_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_data_source_test.go b/internal/service/ec2/transitgateway_route_table_data_source_test.go
index f4e31885f70a..136602d40b25 100644
--- a/internal/service/ec2/transitgateway_route_table_data_source_test.go
+++ b/internal/service/ec2/transitgateway_route_table_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_table_propagation.go b/internal/service/ec2/transitgateway_route_table_propagation.go
index 4da71edad6c9..e45fc46da465 100644
--- a/internal/service/ec2/transitgateway_route_table_propagation.go
+++ b/internal/service/ec2/transitgateway_route_table_propagation.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_propagation_test.go b/internal/service/ec2/transitgateway_route_table_propagation_test.go
index fa04407bf59c..49487cbdab55 100644
--- a/internal/service/ec2/transitgateway_route_table_propagation_test.go
+++ b/internal/service/ec2/transitgateway_route_table_propagation_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_table_propagations_data_source.go b/internal/service/ec2/transitgateway_route_table_propagations_data_source.go
index f2f8606ff91a..23e228919049 100644
--- a/internal/service/ec2/transitgateway_route_table_propagations_data_source.go
+++ b/internal/service/ec2/transitgateway_route_table_propagations_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_propagations_data_source_test.go b/internal/service/ec2/transitgateway_route_table_propagations_data_source_test.go
index 1b46c273ad2b..429ad7c87c2c 100644
--- a/internal/service/ec2/transitgateway_route_table_propagations_data_source_test.go
+++ b/internal/service/ec2/transitgateway_route_table_propagations_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_table_routes_data_source.go b/internal/service/ec2/transitgateway_route_table_routes_data_source.go
index 0f638a449750..a5dbb2e76fea 100644
--- a/internal/service/ec2/transitgateway_route_table_routes_data_source.go
+++ b/internal/service/ec2/transitgateway_route_table_routes_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_table_routes_data_source_test.go b/internal/service/ec2/transitgateway_route_table_routes_data_source_test.go
index d78b963f2ec7..4804eb832a9a 100644
--- a/internal/service/ec2/transitgateway_route_table_routes_data_source_test.go
+++ b/internal/service/ec2/transitgateway_route_table_routes_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_table_test.go b/internal/service/ec2/transitgateway_route_table_test.go
index 544d582f4eeb..87d68828c88b 100644
--- a/internal/service/ec2/transitgateway_route_table_test.go
+++ b/internal/service/ec2/transitgateway_route_table_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_tables_data_source.go b/internal/service/ec2/transitgateway_route_tables_data_source.go
index 29c6686ac62b..5105c28024c9 100644
--- a/internal/service/ec2/transitgateway_route_tables_data_source.go
+++ b/internal/service/ec2/transitgateway_route_tables_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_route_tables_data_source_test.go b/internal/service/ec2/transitgateway_route_tables_data_source_test.go
index f2e43e95ed27..306069164409 100644
--- a/internal/service/ec2/transitgateway_route_tables_data_source_test.go
+++ b/internal/service/ec2/transitgateway_route_tables_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_route_test.go b/internal/service/ec2/transitgateway_route_test.go
index 8d54cfb68768..699a0da76d95 100644
--- a/internal/service/ec2/transitgateway_route_test.go
+++ b/internal/service/ec2/transitgateway_route_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_test.go b/internal/service/ec2/transitgateway_test.go
index eaa63636813e..dc8217f1d0c6 100644
--- a/internal/service/ec2/transitgateway_test.go
+++ b/internal/service/ec2/transitgateway_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_vpc_attachment.go b/internal/service/ec2/transitgateway_vpc_attachment.go
index 25a5cb859a4e..c0df2e9c8ced 100644
--- a/internal/service/ec2/transitgateway_vpc_attachment.go
+++ b/internal/service/ec2/transitgateway_vpc_attachment.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_vpc_attachment_accepter.go b/internal/service/ec2/transitgateway_vpc_attachment_accepter.go
index 83069c4c2c78..b424cdd7b95e 100644
--- a/internal/service/ec2/transitgateway_vpc_attachment_accepter.go
+++ b/internal/service/ec2/transitgateway_vpc_attachment_accepter.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_vpc_attachment_accepter_test.go b/internal/service/ec2/transitgateway_vpc_attachment_accepter_test.go
index 7ad7b8af7eb7..bee1f9e1af6d 100644
--- a/internal/service/ec2/transitgateway_vpc_attachment_accepter_test.go
+++ b/internal/service/ec2/transitgateway_vpc_attachment_accepter_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_vpc_attachment_data_source.go b/internal/service/ec2/transitgateway_vpc_attachment_data_source.go
index 4ad20d103a39..0c6e313d3888 100644
--- a/internal/service/ec2/transitgateway_vpc_attachment_data_source.go
+++ b/internal/service/ec2/transitgateway_vpc_attachment_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_vpc_attachment_data_source_test.go b/internal/service/ec2/transitgateway_vpc_attachment_data_source_test.go
index 01ef9819ac93..87e6040ca61e 100644
--- a/internal/service/ec2/transitgateway_vpc_attachment_data_source_test.go
+++ b/internal/service/ec2/transitgateway_vpc_attachment_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_vpc_attachment_test.go b/internal/service/ec2/transitgateway_vpc_attachment_test.go
index c7eeffae1bea..336f56f468e9 100644
--- a/internal/service/ec2/transitgateway_vpc_attachment_test.go
+++ b/internal/service/ec2/transitgateway_vpc_attachment_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_vpc_attachments_data_source.go b/internal/service/ec2/transitgateway_vpc_attachments_data_source.go
index 4dac90d86f58..ae28ae3dc5bf 100644
--- a/internal/service/ec2/transitgateway_vpc_attachments_data_source.go
+++ b/internal/service/ec2/transitgateway_vpc_attachments_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_vpc_attachments_data_source_test.go b/internal/service/ec2/transitgateway_vpc_attachments_data_source_test.go
index 68dde0391c26..4459b46ebd2b 100644
--- a/internal/service/ec2/transitgateway_vpc_attachments_data_source_test.go
+++ b/internal/service/ec2/transitgateway_vpc_attachments_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/transitgateway_vpn_attachment_data_source.go b/internal/service/ec2/transitgateway_vpn_attachment_data_source.go
index c2604b4e19af..be37b8a08f3d 100644
--- a/internal/service/ec2/transitgateway_vpn_attachment_data_source.go
+++ b/internal/service/ec2/transitgateway_vpn_attachment_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/transitgateway_vpn_attachment_data_source_test.go b/internal/service/ec2/transitgateway_vpn_attachment_data_source_test.go
index c95be34ca07a..be41da8088c5 100644
--- a/internal/service/ec2/transitgateway_vpn_attachment_data_source_test.go
+++ b/internal/service/ec2/transitgateway_vpn_attachment_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/validate.go b/internal/service/ec2/validate.go
index c08b1c4b90b8..b080114a0fa7 100644
--- a/internal/service/ec2/validate.go
+++ b/internal/service/ec2/validate.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/validate_test.go b/internal/service/ec2/validate_test.go
index 2ea47189fe9b..bc38fb52e3f6 100644
--- a/internal/service/ec2/validate_test.go
+++ b/internal/service/ec2/validate_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_endpoint.go b/internal/service/ec2/verifiedaccess_endpoint.go
index 6c8d9c8e49cc..7b98cf13bf2d 100644
--- a/internal/service/ec2/verifiedaccess_endpoint.go
+++ b/internal/service/ec2/verifiedaccess_endpoint.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_endpoint_test.go b/internal/service/ec2/verifiedaccess_endpoint_test.go
index a170b3d53109..c7ca091832f7 100644
--- a/internal/service/ec2/verifiedaccess_endpoint_test.go
+++ b/internal/service/ec2/verifiedaccess_endpoint_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/verifiedaccess_group.go b/internal/service/ec2/verifiedaccess_group.go
index 0a93eabd8487..81fe9548cba2 100644
--- a/internal/service/ec2/verifiedaccess_group.go
+++ b/internal/service/ec2/verifiedaccess_group.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_group_test.go b/internal/service/ec2/verifiedaccess_group_test.go
index 738cf2e00608..09d1f3eb828c 100644
--- a/internal/service/ec2/verifiedaccess_group_test.go
+++ b/internal/service/ec2/verifiedaccess_group_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/verifiedaccess_instance.go b/internal/service/ec2/verifiedaccess_instance.go
index e12732025b81..4eed02d4283d 100644
--- a/internal/service/ec2/verifiedaccess_instance.go
+++ b/internal/service/ec2/verifiedaccess_instance.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_instance_logging_configuration.go b/internal/service/ec2/verifiedaccess_instance_logging_configuration.go
index f07fdf714b5e..765e9748fbab 100644
--- a/internal/service/ec2/verifiedaccess_instance_logging_configuration.go
+++ b/internal/service/ec2/verifiedaccess_instance_logging_configuration.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_instance_logging_configuration_test.go b/internal/service/ec2/verifiedaccess_instance_logging_configuration_test.go
index 5fc732f42c46..a956ec00c886 100644
--- a/internal/service/ec2/verifiedaccess_instance_logging_configuration_test.go
+++ b/internal/service/ec2/verifiedaccess_instance_logging_configuration_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/verifiedaccess_instance_test.go b/internal/service/ec2/verifiedaccess_instance_test.go
index 58d36dce4ba7..780b4e6ceb46 100644
--- a/internal/service/ec2/verifiedaccess_instance_test.go
+++ b/internal/service/ec2/verifiedaccess_instance_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment.go b/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment.go
index d486aae4117a..fe9b812209a7 100644
--- a/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment.go
+++ b/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment_test.go b/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment_test.go
index e297ab1f789a..267eba4953a7 100644
--- a/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment_test.go
+++ b/internal/service/ec2/verifiedaccess_instance_trust_provider_attachment_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/verifiedaccess_test.go b/internal/service/ec2/verifiedaccess_test.go
index b07062337e7c..a92483e42a91 100644
--- a/internal/service/ec2/verifiedaccess_test.go
+++ b/internal/service/ec2/verifiedaccess_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/verifiedaccess_trust_provider.go b/internal/service/ec2/verifiedaccess_trust_provider.go
index d92b905c7657..f771042a463b 100644
--- a/internal/service/ec2/verifiedaccess_trust_provider.go
+++ b/internal/service/ec2/verifiedaccess_trust_provider.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/verifiedaccess_trust_provider_test.go b/internal/service/ec2/verifiedaccess_trust_provider_test.go
index 3eadd9f2646a..e9a6976e16c5 100644
--- a/internal/service/ec2/verifiedaccess_trust_provider_test.go
+++ b/internal/service/ec2/verifiedaccess_trust_provider_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_.go b/internal/service/ec2/vpc_.go
index 7779b0a7f274..07abb161fb27 100644
--- a/internal/service/ec2/vpc_.go
+++ b/internal/service/ec2/vpc_.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_block_public_access_exclusion.go b/internal/service/ec2/vpc_block_public_access_exclusion.go
index cfc1892af718..c2aa7c2fd147 100644
--- a/internal/service/ec2/vpc_block_public_access_exclusion.go
+++ b/internal/service/ec2/vpc_block_public_access_exclusion.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_block_public_access_exclusion_test.go b/internal/service/ec2/vpc_block_public_access_exclusion_test.go
index 893ffec911f5..565340a4d042 100644
--- a/internal/service/ec2/vpc_block_public_access_exclusion_test.go
+++ b/internal/service/ec2/vpc_block_public_access_exclusion_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_block_public_access_options.go b/internal/service/ec2/vpc_block_public_access_options.go
index 46925238d7d1..dbca1aa24f88 100644
--- a/internal/service/ec2/vpc_block_public_access_options.go
+++ b/internal/service/ec2/vpc_block_public_access_options.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_block_public_access_options_test.go b/internal/service/ec2/vpc_block_public_access_options_test.go
index 80f1e205bc04..d09839053b56 100644
--- a/internal/service/ec2/vpc_block_public_access_options_test.go
+++ b/internal/service/ec2/vpc_block_public_access_options_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_data_source.go b/internal/service/ec2/vpc_data_source.go
index 6e9344039256..073d740cb502 100644
--- a/internal/service/ec2/vpc_data_source.go
+++ b/internal/service/ec2/vpc_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_data_source_test.go b/internal/service/ec2/vpc_data_source_test.go
index 268b55a2da59..4a012e27bf23 100644
--- a/internal/service/ec2/vpc_data_source_test.go
+++ b/internal/service/ec2/vpc_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_default_network_acl.go b/internal/service/ec2/vpc_default_network_acl.go
index 60d5f5575c3e..787990ccd4f0 100644
--- a/internal/service/ec2/vpc_default_network_acl.go
+++ b/internal/service/ec2/vpc_default_network_acl.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_default_network_acl_test.go b/internal/service/ec2/vpc_default_network_acl_test.go
index e3b638351456..3725145bc028 100644
--- a/internal/service/ec2/vpc_default_network_acl_test.go
+++ b/internal/service/ec2/vpc_default_network_acl_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_default_route_table.go b/internal/service/ec2/vpc_default_route_table.go
index d9281bb0a178..107fad608729 100644
--- a/internal/service/ec2/vpc_default_route_table.go
+++ b/internal/service/ec2/vpc_default_route_table.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_default_route_table_test.go b/internal/service/ec2/vpc_default_route_table_test.go
index 2796fd7dafb3..f4623000e38c 100644
--- a/internal/service/ec2/vpc_default_route_table_test.go
+++ b/internal/service/ec2/vpc_default_route_table_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_default_security_group.go b/internal/service/ec2/vpc_default_security_group.go
index 185b7f088150..ef034b91f54d 100644
--- a/internal/service/ec2/vpc_default_security_group.go
+++ b/internal/service/ec2/vpc_default_security_group.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_default_security_group_test.go b/internal/service/ec2/vpc_default_security_group_test.go
index c43f74c56893..80db48203cba 100644
--- a/internal/service/ec2/vpc_default_security_group_test.go
+++ b/internal/service/ec2/vpc_default_security_group_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_default_subnet.go b/internal/service/ec2/vpc_default_subnet.go
index 202b372404ac..de7d90bf991d 100644
--- a/internal/service/ec2/vpc_default_subnet.go
+++ b/internal/service/ec2/vpc_default_subnet.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_default_subnet_test.go b/internal/service/ec2/vpc_default_subnet_test.go
index 917c3389d36a..71fc5db189be 100644
--- a/internal/service/ec2/vpc_default_subnet_test.go
+++ b/internal/service/ec2/vpc_default_subnet_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_default_vpc.go b/internal/service/ec2/vpc_default_vpc.go
index 27c57b2d45a7..529a544dc68c 100644
--- a/internal/service/ec2/vpc_default_vpc.go
+++ b/internal/service/ec2/vpc_default_vpc.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_default_vpc_dhcp_options.go b/internal/service/ec2/vpc_default_vpc_dhcp_options.go
index 22546dfc0a08..a9b6a4827098 100644
--- a/internal/service/ec2/vpc_default_vpc_dhcp_options.go
+++ b/internal/service/ec2/vpc_default_vpc_dhcp_options.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_default_vpc_dhcp_options_test.go b/internal/service/ec2/vpc_default_vpc_dhcp_options_test.go
index bcc9e3892881..06ddfb1a0664 100644
--- a/internal/service/ec2/vpc_default_vpc_dhcp_options_test.go
+++ b/internal/service/ec2/vpc_default_vpc_dhcp_options_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_default_vpc_test.go b/internal/service/ec2/vpc_default_vpc_test.go
index 28cb7fd3c07c..436a5223734c 100644
--- a/internal/service/ec2/vpc_default_vpc_test.go
+++ b/internal/service/ec2/vpc_default_vpc_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_dhcp_options.go b/internal/service/ec2/vpc_dhcp_options.go
index 696457271ee4..4317e1b30bf0 100644
--- a/internal/service/ec2/vpc_dhcp_options.go
+++ b/internal/service/ec2/vpc_dhcp_options.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_dhcp_options_association.go b/internal/service/ec2/vpc_dhcp_options_association.go
index 3683c7238e04..c1910cba4e3a 100644
--- a/internal/service/ec2/vpc_dhcp_options_association.go
+++ b/internal/service/ec2/vpc_dhcp_options_association.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_dhcp_options_association_test.go b/internal/service/ec2/vpc_dhcp_options_association_test.go
index 18f0b893a286..9e657ffd514d 100644
--- a/internal/service/ec2/vpc_dhcp_options_association_test.go
+++ b/internal/service/ec2/vpc_dhcp_options_association_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_dhcp_options_data_source.go b/internal/service/ec2/vpc_dhcp_options_data_source.go
index 13df940762c8..25caaaeb3277 100644
--- a/internal/service/ec2/vpc_dhcp_options_data_source.go
+++ b/internal/service/ec2/vpc_dhcp_options_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_dhcp_options_data_source_test.go b/internal/service/ec2/vpc_dhcp_options_data_source_test.go
index 372e090acb0e..7699bc88f5c3 100644
--- a/internal/service/ec2/vpc_dhcp_options_data_source_test.go
+++ b/internal/service/ec2/vpc_dhcp_options_data_source_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_dhcp_options_test.go b/internal/service/ec2/vpc_dhcp_options_test.go
index 29a5221b1099..5e5bac0c6cd2 100644
--- a/internal/service/ec2/vpc_dhcp_options_test.go
+++ b/internal/service/ec2/vpc_dhcp_options_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_egress_only_internet_gateway.go b/internal/service/ec2/vpc_egress_only_internet_gateway.go
index db1e16538f61..1a921c9cc850 100644
--- a/internal/service/ec2/vpc_egress_only_internet_gateway.go
+++ b/internal/service/ec2/vpc_egress_only_internet_gateway.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_egress_only_internet_gateway_test.go b/internal/service/ec2/vpc_egress_only_internet_gateway_test.go
index bdca2e7c481e..314d6a7428d2 100644
--- a/internal/service/ec2/vpc_egress_only_internet_gateway_test.go
+++ b/internal/service/ec2/vpc_egress_only_internet_gateway_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_encryption_control.go b/internal/service/ec2/vpc_encryption_control.go
index 35e7b384041a..8dc3ce0ac71a 100644
--- a/internal/service/ec2/vpc_encryption_control.go
+++ b/internal/service/ec2/vpc_encryption_control.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_encryption_control_test.go b/internal/service/ec2/vpc_encryption_control_test.go
index 9e713fb5e644..c37cac26d10b 100644
--- a/internal/service/ec2/vpc_encryption_control_test.go
+++ b/internal/service/ec2/vpc_encryption_control_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2_test
diff --git a/internal/service/ec2/vpc_endpoint.go b/internal/service/ec2/vpc_endpoint.go
index e960ad203670..92b23ea4d33f 100644
--- a/internal/service/ec2/vpc_endpoint.go
+++ b/internal/service/ec2/vpc_endpoint.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2
diff --git a/internal/service/ec2/vpc_endpoint_associations_data_source.go b/internal/service/ec2/vpc_endpoint_associations_data_source.go
index 74b19f676180..bb5c1b0db6d1 100644
--- a/internal/service/ec2/vpc_endpoint_associations_data_source.go
+++ b/internal/service/ec2/vpc_endpoint_associations_data_source.go
@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package ec2