XRechnung 2.1.0 · UBLStored validation assertion
UBL-CR-667
XRechnung 2.1.0 · UBL
warningschema
Original rule text
[UBL-CR-667]-A UBL invoice should not include a Buyer Item Identification schemeID
not(//cac:BuyersItemIdentification/cbc:ID/@schemeID)