XRechnung 2.1.0 · UBLStored validation assertion
UBL-CR-476
XRechnung 2.1.0 · UBL
warningschema
Original rule text
[UBL-CR-476]-A UBL invoice should not include the AllowanceCharge PerUnitAmount
not(cac:AllowanceCharge/cbc:PerUnitAmount)