PEPPOL-T005-R013
- Message
- DocumentReference Identifiers MUST be unique. 
- Context
- ubl:Tender
- Test
- count(distinct-values(cac:DocumentReference/cbc:ID)) = count(cac:DocumentReference/cbc:ID)
- Usage
DocumentReference Identifiers MUST be unique.
ubl:Tendercount(distinct-values(cac:DocumentReference/cbc:ID)) = count(cac:DocumentReference/cbc:ID)