Message

[PEPPOL-T021-R008] Unsubscribe from Procedure Identifier value MUST be expressed in a UUID syntax (RFC 4122)

Context
ubl:UnsubscribeFromProcedureRequest/cbc:ID
Test
matches(normalize-space(.), '^[a-fA-F0-9]{8}(\-[a-fA-F0-9]{4}){3}\-[a-fA-F0-9]{12}$')
Usage
/ t021:UnsubscribeFromProcedureRequest / cbc:ID