diff --git a/src/openforms/registrations/contrib/zgw_apis/options.py b/src/openforms/registrations/contrib/zgw_apis/options.py
index b74ca05d41..ebe65e4963 100644
--- a/src/openforms/registrations/contrib/zgw_apis/options.py
+++ b/src/openforms/registrations/contrib/zgw_apis/options.py
@@ -123,6 +123,10 @@ def validate(self, attrs: dict[str, Any]) -> dict[str, Any]:
         # We know it exists thanks to the previous check
         group_config = ZGWRegistration.get_zgw_config(attrs)
 
+        validate_business_logic = self.context.get("validate_business_logic", True)
+        if not validate_business_logic:
+            return attrs
+
         # Run all validations against catalogi API in the same connection pool.
         with get_catalogi_client(group_config) as client:
             catalogi = client.get_all_catalogi()
@@ -183,22 +187,19 @@ def validate(self, attrs: dict[str, Any]) -> dict[str, Any]:
                         {"property_mappings": errors}, code="invalid"
                     )
 
-            if not ("medewerker_roltype" in attrs):
-                return attrs
-
-            roltypen = client.list_roltypen(
-                zaaktype=attrs["zaaktype"],
-                matcher=omschrijving_matcher(attrs["medewerker_roltype"]),
-            )
-
-        if not roltypen:
-            raise serializers.ValidationError(
-                {
-                    "medewerker_roltype": _(
-                        "Could not find a roltype with this description related to the zaaktype."
+            if "medewerker_roltype" in attrs:
+                roltypen = client.list_roltypen(
+                    zaaktype=attrs["zaaktype"],
+                    matcher=omschrijving_matcher(attrs["medewerker_roltype"]),
+                )
+                if not roltypen:
+                    raise serializers.ValidationError(
+                        {
+                            "medewerker_roltype": _(
+                                "Could not find a roltype with this description related to the zaaktype."
+                            )
+                        },
+                        code="invalid",
                     )
-                },
-                code="invalid",
-            )
 
         return attrs
diff --git a/src/openforms/registrations/tasks.py b/src/openforms/registrations/tasks.py
index 35de42f689..b98da06ae9 100644
--- a/src/openforms/registrations/tasks.py
+++ b/src/openforms/registrations/tasks.py
@@ -52,7 +52,8 @@ def pre_registration(submission_id: int, event: PostSubmissionEvents) -> None:
             return
 
         options_serializer = registration_plugin.configuration_options(
-            data=submission.registration_backend.options
+            data=submission.registration_backend.options,
+            context={"validate_business_logic": False},
         )
 
         try:
@@ -229,7 +230,10 @@ def register_submission(submission_id: int, event: PostSubmissionEvents | str) -
         return
 
     logger.debug("De-serializing the plugin configuration options")
-    options_serializer = plugin.configuration_options(data=backend_config.options)
+    options_serializer = plugin.configuration_options(
+        data=backend_config.options,
+        context={"validate_business_logic": False},
+    )
 
     try:
         options_serializer.is_valid(raise_exception=True)