XRechnung 2.3.0 · UBLStored validation assertion
UBL-SR-16
XRechnung 2.3.0 · UBL
fatalschema
Original rule text
[UBL-SR-16]-Buyer identifier shall occur maximum once
(count(cac:AccountingCustomerParty/cac:Party/cac:PartyIdentification/cbc:ID) <= 1)