XRechnung 2.6.0 · UBLStored validation assertion
UBL-CR-027
XRechnung 2.6.0 · UBL
warningschema
Original rule text
[UBL-CR-027]-A UBL invoice should not include the BillingReference DocumentType
not(cac:BillingReference/cac:InvoiceDocumentReference/cbc:DocumentType)