XRechnung 2.5.0 · UBLStored validation assertion
UBL-CR-034
XRechnung 2.5.0 · UBL
warningschema
Original rule text
[UBL-CR-034]-A UBL invoice should not include the BillingReference Attachment
not(cac:BillingReference/cac:InvoiceDocumentReference/cac:Attachment)