avadev · svc-developer · Sep 30, 2025 · Sep 30, 2025
diff --git a/docs/A1099/CreateW9FormRequest.md b/docs/A1099/CreateW9FormRequest.md
@@ -10,8 +10,8 @@ Name | Type | Description | Notes
 **business_classification** | **string** | The classification of the business.  Available values:  - Individual: Individual/sole proprietor  - C Corporation: C Corporation  - S Corporation: S Corporation  - Partnership: Partnership  - Trust/estate: Trust/estate  - LLC-C: Limited liability company (C Corporation)  - LLC-S: Limited liability company (S Corporation)  - LLC-P: Limited liability company (Partnership)  - Other: Other (requires BusinessOther field to be populated) |
 **business_other** | **string** | The classification description when \&quot;businessClassification\&quot; is \&quot;Other\&quot;. | [optional]
 **foreign_partner_owner_or_beneficiary** | **bool** | Indicates whether the individual is a foreign partner, owner, or beneficiary. | [optional]
-**exempt_payee_code** | **string** | The exempt payee code. | [optional]
-**exempt_fatca_code** | **string** | The exemption from FATCA reporting code. | [optional]
+**exempt_payee_code** | **string** | The exempt payee code. Allowed values (1–13):  - 1 — Organization exempt under §501(a) or IRA; custodial account under §403(b)(7)  - 2 — U.S. government or its agencies/instrumentalities  - 3 — U.S. state, DC, U.S. territory/possession, or their political subdivisions/agencies/instrumentalities  - 4 — Foreign government or its political subdivisions/agencies/instrumentalities  - 5 — Corporation  - 6 — Dealer in securities or commodities required to register in the U.S., DC, or U.S. territory/possession  - 7 — Futures commission merchant registered with the CFTC  - 8 — Real estate investment trust (REIT)  - 9 — Entity registered at all times during the tax year under the Investment Company Act of 1940  - 10 — Common trust fund operated by a bank under §584(a)  - 11 — Financial institution (see §581)  - 12 — Broker (nominee/custodian)  - 13 — Trust exempt under §664 or described in §4947 | [optional]
+**exempt_fatca_code** | **string** | The exemption from FATCA reporting code. Allowed values (A–M):  - A — Tax‑exempt organization under §501(a) or IRA (§7701(a)(37))  - B — U.S. government or any of its agencies/instrumentalities  - C — U.S. state, DC, territory/possession, or their political subdivisions/instrumentalities  - D — Corporation whose stock is regularly traded on an established securities market  - E — Corporation that is a member of the same expanded affiliated group as a D corporation  - F — Registered dealer in securities/commodities/derivatives  - G — REIT (Real Estate Investment Trust)  - H — Regulated investment company (§851) or entity registered all year under the Investment Company Act of 1940  - I — Common trust fund (§584(a))  - J — Bank (§581)  - K — Broker  - L — Charitable remainder trust (§664) or trust described in §4947(a)(1)  - M — Trust under §403(b) plan or §457(g) plan | [optional]
 **foreign_country_indicator** | **bool** | Indicates whether the individual or entity is in a foreign country. | [optional]
 **address** | **string** | The address of the employee. Required unless exempt. |
 **foreign_address** | **string** | The foreign address of the individual or entity. | [optional]

diff --git a/docs/A1099/ErrorResponse.md b/docs/A1099/ErrorResponse.md
@@ -4,7 +4,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**title** | **string** |  | [optional]
-**errors** | [**\Avalara\SDK\Model\A1099\V2\ErrorResponseItem[]**](ErrorResponseItem.md) |  | [optional]
+**title** | **string** | A summary of the problem type. | [optional]
+**errors** | [**\Avalara\SDK\Model\A1099\V2\ErrorResponseItem[]**](ErrorResponseItem.md) | A list of errors detailing the problem type. | [optional]
 
 [[Back to Model list]](../../../README.md#models) [[Back to API list]](../../../README.md#endpoints) [[Back to README]](../../../README.md)
diff --git a/docs/A1099/ErrorResponseItem.md b/docs/A1099/ErrorResponseItem.md
@@ -4,7 +4,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**type** | **string** |  | [optional]
-**detail** | **string** |  | [optional]
+**type** | **string** | An identifier for this occurrence of the problem.  It is the name of a request&#39;s field when specific to that field.  Otherwise, for other types of errors, its value is empty. | [optional]
+**detail** | **string** | An explanation specific to this occurrence of the problem. | [optional]
 
 [[Back to Model list]](../../../README.md#models) [[Back to API list]](../../../README.md#endpoints) [[Back to README]](../../../README.md)
diff --git a/docs/A1099/V2/CompaniesW9Api.md b/docs/A1099/V2/CompaniesW9Api.md
@@ -40,7 +40,7 @@ $client = new \Avalara\SDK\ApiClient($config);
 $apiInstance = new Avalara\SDK\Api\CompaniesW9Api($client);
 
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = a607ad38-398e-43d2-918d-d809e43dbd6b; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 6df88900-1e19-42cb-b5a0-fc2442681327; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 $company_request = {"name":"Acme Corporation","dbaName":"","email":"[email protected]","address":"123 Business Ave","city":"Phoenix","state":"AZ","zip":"85001","telephone":"602-555-0123","tin":"12-3456789","referenceId":"","doTinMatch":null,"groupName":"","foreignProvince":"","countryCode":"US","resendRequests":null,"resendIntervalDays":null,"maxReminderAttempts":null}; // \Avalara\SDK\Model\A1099\V2\CompanyRequest | The company to create
 
@@ -108,7 +108,7 @@ $apiInstance = new Avalara\SDK\Api\CompaniesW9Api($client);
 
 $id = 'id_example'; // string | The company to delete
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = 54780530-dee1-472f-8626-a1ef1d6f3bfa; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 33931030-471d-4055-be36-8dcc3c48c11d; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -179,7 +179,7 @@ $skip = 56; // int | If nonzero, skip this number of results before returning da
 $order_by = 'order_by_example'; // string | A comma separated list of sort statements in the format (fieldname) [ASC|DESC], for example id ASC.
 $count = True; // bool | If true, return the global count of elements in the collection.
 $count_only = True; // bool | If true, return ONLY the global count of elements in the collection.  It only applies when count=true.
-$x_correlation_id = 7ee6e06e-ae28-4317-9053-d966f0b24a94; // string | Unique correlation Id in a GUID format
+$x_correlation_id = cf08fb7e-1d1c-43e2-a2b8-dfe7be26d43f; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -251,7 +251,7 @@ $apiInstance = new Avalara\SDK\Api\CompaniesW9Api($client);
 
 $id = 'id_example'; // string | Id of the company
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = c2254966-bcae-4b32-a7b4-67f0518ca748; // string | Unique correlation Id in a GUID format
+$x_correlation_id = f29e8436-2c45-494b-b537-a22ae251829e; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -318,7 +318,7 @@ $apiInstance = new Avalara\SDK\Api\CompaniesW9Api($client);
 
 $id = 'id_example'; // string | The ID of the company to update
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = b730ea19-59f4-4cc8-8ef0-94a9d4637a6a; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 595ee1c9-2b9e-4d5a-8aa6-661b1fe4669f; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 $company_request = {"name":"Acme Corporation","dbaName":"","email":"[email protected]","address":"123 Business Ave","city":"Phoenix","state":"AZ","zip":"85001","telephone":"602-555-0123","tin":"12-3456789","referenceId":"","doTinMatch":null,"groupName":"","foreignProvince":"","countryCode":"US","resendRequests":null,"resendIntervalDays":null,"maxReminderAttempts":null}; // \Avalara\SDK\Model\A1099\V2\CompanyRequest | The updated company data
 

diff --git a/docs/A1099/V2/Forms1099Api.md b/docs/A1099/V2/Forms1099Api.md
@@ -43,7 +43,7 @@ $apiInstance = new Avalara\SDK\Api\Forms1099Api($client);
 
 $avalara_version = 2.0.0; // string | API version
 $dry_run = false; // bool | defaults to false. If true, it will NOT change the DB. It will just return a report of what would've have been changed in the DB
-$x_correlation_id = 5ef65de0-c394-4aa2-b249-d8bfcbe9b23a; // string | Unique correlation Id in a GUID format
+$x_correlation_id = eec0b095-bfa8-4786-bbad-3f20a4b61ac2; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 $form1099_list_request = {"type":"1042-S","forms":[{"type":"1042-S","issuerId":"12345","issuerReferenceId":"issuer-001","issuerTin":"94-2765431","taxYear":2024,"referenceId":"1042S-REF-001","tin":"112233445","recipientName":"Michael Jackson","recipientSecondName":"SuperStart","address":"1234 Corporate Blvd","address2":"Suite 500","city":"Anytown","state":"MA","zip":"12345","email":"[email protected]","accountNumber":"ACC01","nonUsProvince":null,"countryCode":"US","federalEfileDate":"2024-03-15","postalMail":true,"stateEfileDate":null,"recipientEdeliveryDate":"2024-03-25","tinMatch":false,"noTin":false,"addressVerification":true,"stateAndLocalWithholding":{"stateTaxWithheld":50,"state":"CA","stateIdNumber":"CA98765432"},"secondTinNotice":true,"uniqueFormId":"1234567890","recipientDateOfBirth":"1990-01-01","recipientGiin":"748291.59302.US.001","recipientForeignTin":"920456.38475.GM.002","lobCode":"06","incomeCode":"16","grossIncome":10000.5,"withholdingIndicator":"3","taxCountryCode":"GM","exemptionCodeChap3":"00","exemptionCodeChap4":"13","taxRateChap3":"30.00","withholdingAllowance":15,"federalTaxWithheld":1500.25,"taxNotDepositedIndicator":true,"academicIndicator":true,"taxWithheldOtherAgents":100,"amountRepaid":200,"taxPaidAgent":50.5,"chap3StatusCode":"06","chap4StatusCode":"02","primaryWithholdingAgent":{"name":"Primary Agent Name","ein":"98-3456789"},"intermediaryOrFlowThrough":{"ein":"98-7654321","chap3StatusCode":"03","chap4StatusCode":"04","name":"Intermediary Name","giin":"748291.59302.US.002","countryCode":"US","foreignTin":"123-45-6789","address":"123 Main St.","city":"Cityville","state":"CA","zip":"98765"}}]}; // \Avalara\SDK\Model\A1099\V2\Form1099ListRequest | 
 
@@ -111,7 +111,7 @@ $client = new \Avalara\SDK\ApiClient($config);
 $apiInstance = new Avalara\SDK\Api\Forms1099Api($client);
 
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = 5b55b569-4e1e-44d3-920c-65153461c426; // string | Unique correlation Id in a GUID format
+$x_correlation_id = ea80e3d4-6198-4297-9fff-4b12b5d270a0; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 $get1099_form200_response = {"type":"1042-S","issuerId":"12345","referenceId":"1042S-REF-001","tin":"112233445","recipientName":"Michael Jackson","recipientSecondName":"SuperStart","address":"1234 Corporate Blvd","address2":"Suite 500","city":"Anytown","state":"MA","zip":"12345","email":"[email protected]","accountNumber":"ACC01","nonUsProvince":null,"countryCode":"US","federalEfileDate":"2024-03-15","postalMail":true,"stateEfileDate":null,"recipientEdeliveryDate":"2024-03-25","tinMatch":false,"noTin":false,"addressVerification":true,"stateAndLocalWithholding":{"stateTaxWithheld":50,"state":"CA","stateIdNumber":"CA98765432"},"secondTinNotice":true,"uniqueFormId":"1234567890","recipientDateOfBirth":"1990-01-01","recipientGiin":"748291.59302.US.001","recipientForeignTin":"920456.38475.GM.002","lobCode":"06","incomeCode":"16","grossIncome":10000.5,"withholdingIndicator":"3","taxCountryCode":"GM","exemptionCodeChap3":"00","exemptionCodeChap4":"13","taxRateChap3":"30.00","withholdingAllowance":15,"federalTaxWithheld":1500.25,"taxNotDepositedIndicator":true,"academicIndicator":true,"taxWithheldOtherAgents":100,"amountRepaid":200,"taxPaidAgent":50.5,"chap3StatusCode":"06","chap4StatusCode":"02","primaryWithholdingAgent":{"name":"Primary Agent Name","ein":"98-3456789"},"intermediaryOrFlowThrough":{"ein":"98-7654321","chap3StatusCode":"03","chap4StatusCode":"04","name":"Intermediary Name","giin":"748291.59302.US.002","countryCode":"US","foreignTin":"123-45-6789","address":"123 Main St.","city":"Cityville","state":"CA","zip":"98765"}}; // \Avalara\SDK\Model\A1099\V2\Get1099Form200Response
 
@@ -179,7 +179,7 @@ $apiInstance = new Avalara\SDK\Api\Forms1099Api($client);
 
 $id = 'id_example'; // string | The unique identifier of the desired form to delete.
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = e82ee14f-7146-41a5-b856-28f403d65e29; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 6f61d545-12cb-445a-b60c-bd21c3f78ae3; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -245,7 +245,7 @@ $apiInstance = new Avalara\SDK\Api\Forms1099Api($client);
 
 $id = 'id_example'; // string
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = f5198e72-fc87-4a4d-a09a-b2aa6cf70c38; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 3dda6df9-8f00-4ac0-8eab-0e56263c2895; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -313,7 +313,7 @@ $apiInstance = new Avalara\SDK\Api\Forms1099Api($client);
 $id = 'id_example'; // string | The ID of the form
 $avalara_version = 2.0.0; // string | API version
 $mark_edelivered = True; // bool | Optional boolean that if set indicates that the form should be marked as having been successfully edelivered
-$x_correlation_id = 7fdfd0b2-cebf-4f25-8a65-6dd03811e77d; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 83471033-6587-4425-a03e-1057de8d14cf; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -386,7 +386,7 @@ $skip = 56; // int | If nonzero, skip this number of results before returning da
 $order_by = 'order_by_example'; // string | A comma separated list of sort statements in the format (fieldname) [ASC|DESC], for example id ASC.
 $count = True; // bool | If true, return the global count of elements in the collection.
 $count_only = True; // bool | If true, return ONLY the global count of elements in the collection.  It only applies when count=true.
-$x_correlation_id = 97f7596c-99c0-4879-b47c-57df572a32c9; // string | Unique correlation Id in a GUID format
+$x_correlation_id = 9cd2b713-72ed-419c-8c1f-4aeef9f6b0d4; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 
 try {
@@ -458,7 +458,7 @@ $apiInstance = new Avalara\SDK\Api\Forms1099Api($client);
 
 $id = 'id_example'; // string
 $avalara_version = 2.0.0; // string | API version
-$x_correlation_id = 560aa857-d5ba-484b-9375-a14e9e57d7a8; // string | Unique correlation Id in a GUID format
+$x_correlation_id = b0bb9771-ffdf-4884-bac3-7cf00bf7c745; // string | Unique correlation Id in a GUID format
 $x_avalara_client = Swagger UI; 22.1.0; // string | Identifies the software you are using to call this API. For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) .
 $get1099_form200_response = {"type":"1042-S","issuerId":"12345","referenceId":"1042S-REF-001","tin":"112233445","recipientName":"Michael Jackson","recipientSecondName":"SuperStart","address":"1234 Corporate Blvd","address2":"Suite 500","city":"Anytown","state":"MA","zip":"12345","email":"[email protected]","accountNumber":"ACC01","nonUsProvince":null,"countryCode":"US","federalEfileDate":"2024-03-15","postalMail":true,"stateEfileDate":null,"recipientEdeliveryDate":"2024-03-25","tinMatch":false,"noTin":false,"addressVerification":true,"stateAndLocalWithholding":{"stateTaxWithheld":50,"state":"CA","stateIdNumber":"CA98765432"},"secondTinNotice":true,"uniqueFormId":"1234567890","recipientDateOfBirth":"1990-01-01","recipientGiin":"748291.59302.US.001","recipientForeignTin":"920456.38475.GM.002","lobCode":"06","incomeCode":"16","grossIncome":10000.5,"withholdingIndicator":"3","taxCountryCode":"GM","exemptionCodeChap3":"00","exemptionCodeChap4":"13","taxRateChap3":"30.00","withholdingAllowance":15,"federalTaxWithheld":1500.25,"taxNotDepositedIndicator":true,"academicIndicator":true,"taxWithheldOtherAgents":100,"amountRepaid":200,"taxPaidAgent":50.5,"chap3StatusCode":"06","chap4StatusCode":"02","primaryWithholdingAgent":{"name":"Primary Agent Name","ein":"98-3456789"},"intermediaryOrFlowThrough":{"ein":"98-7654321","chap3StatusCode":"03","chap4StatusCode":"04","name":"Intermediary Name","giin":"748291.59302.US.002","countryCode":"US","foreignTin":"123-45-6789","address":"123 Main St.","city":"Cityville","state":"CA","zip":"98765"}}; // \Avalara\SDK\Model\A1099\V2\Get1099Form200Response