XRechnung 2.5.0 · UBLStored validation assertion
BR-04
XRechnung 2.5.0 · UBL
fatalbusiness
Original rule text
[BR-04]-An Invoice shall have an Invoice type code (BT-3).
normalize-space(cbc:InvoiceTypeCode) != '' or normalize-space(cbc:CreditNoteTypeCode) !=''