Message

[PEPPOL-T004-R030] DocumentDescription MUST be a valid Procurement Project Lot Identifier"/>

Context
ubl:CallForTenders/cac:AdditionalDocumentReference[normalize-space(./cbc:DocumentTypeCode)='PRO']/cbc:DocumentDescription
Test
/ubl:CallForTenders/cac:ProcurementProjectLot/cbc:ID = normalize-space(.)
Usage
/ t004:CallForTenders / cac:AdditionalDocumentReference / cbc:DocumentDescription