diff --git a/src/main/plugin/iso19139.ca.HNAP/loc/eng/schematron-rules-multilingual.xml b/src/main/plugin/iso19139.ca.HNAP/loc/eng/schematron-rules-multilingual.xml
index 4e71365e..3f3b9513 100644
--- a/src/main/plugin/iso19139.ca.HNAP/loc/eng/schematron-rules-multilingual.xml
+++ b/src/main/plugin/iso19139.ca.HNAP/loc/eng/schematron-rules-multilingual.xml
@@ -45,7 +45,8 @@
   <SecurityNoteMismatchedBothLang>Value mismatched for Security User Note in both languages</SecurityNoteMismatchedBothLang>
   <SecurityClassificationUserNote>Security User Note is not valid for the classification code selected. Valid values are:</SecurityClassificationUserNote>
   <SecurityClassificationUserNoteEmpty>Security User Note should be empty for the classification code selected</SecurityClassificationUserNoteEmpty>
-  <OtherConstraintsNote>If you indicate 'Other Restrictions' in the 'Access Constraints' or 'Use Constraints' fields, the other constraints for accessing or using the resource should be explained here.</OtherConstraintsNote>
+  <OtherConstraintsNote>If you have indicated 'Other Restrictions' in either the 'Access Constraints' or 'Use Constraints' fields, the ‘Other constraints' text box must be completed.</OtherConstraintsNote>
+  <OtherConstraintsNoteEmpty>If you did not indicate 'Other Restrictions' in either the 'Access Constraints' or 'Use Constraints' fields, the ‘Other constraints’ text box must be empty.</OtherConstraintsNoteEmpty>
   <UseLimitation>Value is required for Use Limitation in both languages</UseLimitation>
 
   <ContactOrganisationName>Contact - Organization name is required in both languages</ContactOrganisationName>
diff --git a/src/main/plugin/iso19139.ca.HNAP/loc/fre/schematron-rules-multilingual.xml b/src/main/plugin/iso19139.ca.HNAP/loc/fre/schematron-rules-multilingual.xml
index c51b4128..f5c0c830 100644
--- a/src/main/plugin/iso19139.ca.HNAP/loc/fre/schematron-rules-multilingual.xml
+++ b/src/main/plugin/iso19139.ca.HNAP/loc/fre/schematron-rules-multilingual.xml
@@ -45,7 +45,8 @@
   <SecurityNoteMismatchedBothLang>Valeur non concordante pour la note d'utilisateur de sécurité dans les deux langues</SecurityNoteMismatchedBothLang>
   <SecurityClassificationUserNote>Explications sur les restrictions n’est pas valide pour la restriction de manipulation. Les valeurs valides sont :</SecurityClassificationUserNote>
   <SecurityClassificationUserNoteEmpty>Explications sur les restrictions devrait être vide pour la restriction de manipulation</SecurityClassificationUserNoteEmpty>
-  <OtherConstraintsNote>Si vous indiquez «Autres restrictions» dans les champs «Contraintes d'accès» ou «Utiliser les contraintes», les autres contraintes d'accès ou d'utilisation de la ressource doivent être expliquées ici.</OtherConstraintsNote>
+  <OtherConstraintsNote>Si vous avez indiqué « Autres restrictions » dans les champs « Contraintes d'accès » ou « Contraintes d'utilisation », la zone de texte « Autres contraintes » doit être complétée.</OtherConstraintsNote>
+  <OtherConstraintsNoteEmpty>Si vous n'avez pas indiqué « Autres restrictions » dans les champs « Contraintes d'accès » ou « Contraintes d'utilisation », la zone de texte « Autres contraintes » doit être vide.</OtherConstraintsNoteEmpty>
   <UseLimitation>Limitation d'utilisation est obligatoire dans les deux langues</UseLimitation>
 
   <ContactOrganisationName>Contact - Nom de l'organisation est obligatoire dans les deux langues</ContactOrganisationName>
diff --git a/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-multilingual.sch b/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-multilingual.sch
index 77148154..8fb6acfb 100644
--- a/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-multilingual.sch
+++ b/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-multilingual.sch
@@ -741,13 +741,22 @@
                 and (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609'
                 or ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609')) or
 
+                (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609'
+                and ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609'
+                )" />
+      <sch:let name="emptyFine" value="(
                 (not(string(gco:CharacterString)) and not(string(gmd:PT_FreeText/gmd:textGroup/gmd:LocalisedCharacterString[@locale=concat('#', $altLanguageId)]))
                 and (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609'
-                and ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609')
-                )" />
+                or ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609')
+                ) or
+                (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609'
+                or ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609'))" />
       <sch:assert
         test="$filledFine"
       >$loc/strings/OtherConstraintsNote</sch:assert>
+      <sch:assert
+        test="$emptyFine"
+      >$loc/strings/OtherConstraintsNoteEmpty</sch:assert>
 
     </sch:rule>
 
diff --git a/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-non-multilingual.sch b/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-non-multilingual.sch
index ad5efc52..62a4bc57 100644
--- a/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-non-multilingual.sch
+++ b/src/main/plugin/iso19139.ca.HNAP/schematron/schematron-rules-non-multilingual.sch
@@ -422,13 +422,23 @@
                 and (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609'
                 or ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609')) or
 
+                (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609'
+                and ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609'
+                ))" />
+      <sch:let name="emptyFine" value="(
                 (not(string(gco:CharacterString))
                 and (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609'
-                and ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609')
-                ))" />
+                or ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue != 'RI_609')
+                ) or
+                (../gmd:accessConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609'
+                or ../gmd:useConstraints/gmd:MD_RestrictionCode/@codeListValue = 'RI_609')
+                )" />
       <sch:assert
         test="$filledFine"
       >$loc/strings/OtherConstraintsNote</sch:assert>
+      <sch:assert
+        test="$emptyFine"
+      >$loc/strings/OtherConstraintsNoteEmpty</sch:assert>
     </sch:rule>
 
     <sch:rule context="//gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_SecurityConstraints/gmd:userNote">