fatal UBL
[UBL-SR-29]-Bank creditor reference shall occur maximum once
/ubl:Invoice | /cn:CreditNote
(count(//cac:PartyIdentification/cbc:ID[upper-case(@schemeID) = 'SEPA']) <= 1)
Source: EN 16931-1 Schematron, UBL syntax binding (ConnectingEurope/eInvoicing-EN16931, EUPL-1.2).
Invoice XML (UBL 2.1 Invoice/CreditNote or UN/CEFACT CII D16B, max 5 MB):
Validate