PEPPOL-T020-R013
- Message
- The document reference Identifier MUST reference the Tender ID expressed in a UUID syntax (RFC 4122) 
- Context
- ubl:TenderReceipt/cac:TenderDocumentReference/cbc:ID
- Test
- matches(normalize-space(.),'^[a-fA-F0-9]{8}(\-[a-fA-F0-9]{4}){3}\-[a-fA-F0-9]{12}$')
- Usage