XRechnung 2.0.0 · UBLStored validation assertion
UBL-CR-052
XRechnung 2.0.0 · UBL
warningschema
Original rule text
[UBL-CR-052]-A UBL invoice should not include the DespatchDocumentReference LanguageID
not(cac:DespatchDocumentReference/cbc:LanguageID)