Message

Value MUST be part of code list 'Clarification list identifier (openPEPPOL)'.

Context
/ubl:ApplicationResponse/cac:DocumentResponse/cac:Response/cac:Status/cbc:StatusReasonCode
Test
not(@listID) or (some $code in $clClarificationListID satisfies $code = @listID)
Code lists
Clarification list identifier (openPEPPOL)
Usage
/ ubl:ApplicationResponse / cac:DocumentResponse / cac:Response / cac:Status / cbc:StatusReasonCode / @listID