XRechnung 2.1.0 · UBLStored validation assertion
UBL-CR-523
XRechnung 2.1.0 · UBL
warningschema
Original rule text
[UBL-CR-523]-A UBL invoice should not include the InvoiceLine InvoicePeriod DescriptionCode
not((cac:InvoiceLine|cac:CreditNoteLine)/cac:InvoicePeriod/cbc:DescriptionCode)