diff --git a/data-api/open-api-specification.yml b/data-api/open-api-specification.yml
index caa43ad..110b991 100644
--- a/data-api/open-api-specification.yml
+++ b/data-api/open-api-specification.yml
@@ -1911,6 +1911,8 @@ components:
           type: 'boolean'
         additional_information_prompt:
           type: 'string'
+        is_additional_information_prompt_required:
+          type: 'boolean'
         task_type_id:
           type: 'string'
         is_claim_upload_enabled:
diff --git a/data-service/src/main/java/uk/gov/laa/ccms/data/mapper/LookupMapper.java b/data-service/src/main/java/uk/gov/laa/ccms/data/mapper/LookupMapper.java
index 92e2996..4f6da08 100644
--- a/data-service/src/main/java/uk/gov/laa/ccms/data/mapper/LookupMapper.java
+++ b/data-service/src/main/java/uk/gov/laa/ccms/data/mapper/LookupMapper.java
@@ -184,6 +184,9 @@ ProviderRequestTypeLookupDetail toProviderRequestTypeLookupDetail(
   @Mapping(source = "additionalInformationPrompt", target = "additionalInformationPrompt")
   @Mapping(source = "claimUploadEnabled", target = "isClaimUploadEnabled")
   @Mapping(source = "providerRequestData", target = "dataItems")
+  @Mapping(target = "isAdditionalInformationPromptRequired",
+          expression = "java(!providerRequestType.getClaimUploadEnabled() " +
+                  "&& providerRequestType.getProviderRequestData().isEmpty())")
   ProviderRequestTypeLookupValueDetail toProviderRequestTypeLookupValueDetail(
       ProviderRequestType providerRequestType);