XRechnung 2.1.0 · UBLStored validation assertion
UBL-CR-028
XRechnung 2.1.0 · UBL
warningschema
Original rule text
[UBL-CR-028]-A UBL invoice should not include the BillingReference Xpath
not(cac:BillingReference/cac:InvoiceDocumentReference/cbc:XPath)