XRechnung 2.0.2 · UBLStored validation assertion
UBL-CR-128
XRechnung 2.0.2 · UBL
warningschema
Original rule text
[UBL-CR-128]-A UBL invoice should not include the AdditionalDocumentReference Attachment External CharacterSetCode
not(cac:AdditionalDocumentReference/cac:Attachment/cac:ExternalReference/cbc:CharacterSetCode)