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