XRechnung 2.0.2 · UBLStored validation assertion
UBL-CR-535
XRechnung 2.0.2 · UBL
warningschema
Original rule text
[UBL-CR-535]-A UBL invoice should not include the InvoiceLine DocumentReference IssueTime
not((cac:InvoiceLine|cac:CreditNoteLine)/cac:DocumentReference/cbc:IssueTime)