warning UBL
[UBL-CR-679]-A UBL invoice should not include the ClassifiedTaxCategory/ID schemeID
/ubl:Invoice | /cn:CreditNote
not(//cac:ClassifiedTaxCategory/cbc:ID/@schemeID)
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