XRechnung 2.5.0 · UBLStored validation assertion
UBL-SR-55
XRechnung 2.5.0 · UBL
fatalschema
Original rule text
[UBL-SR-55]-An Invoice shall contain maximum one Payment Mandate (BG-19).
count(cac:PaymentMeans/cac:PaymentMandate) <= 1