Is UBL-SR-13 a critical error?

Yes, UBL-SR-13 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can UBL-SR-13 be automatically fixed?

UBL-SR-13 requires manual correction. Review the fix steps above for guidance.

Error codes · EN16931

UBL-SR-13In your invoicing software

Seller tax registration shall occur maximum once

This is the rejection, word for word: „[UBL-SR-13] Your invoice contains multiple Seller tax registration elements (PartyTaxScheme). EN16931 allows maximum one tax registration per seller.“

What to have readyNothing. The file has to be re-exported from your invoicing software; we check it again afterwards.

What we doYour invoice contains multiple Seller tax registration elements (PartyTaxScheme). EN16931 allows maximum one tax registration per seller.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

What the finding looks likeExample

FindingStructure invalid · UBL-SR-13

Location/Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme[cac:TaxScheme/cbc:ID!='VAT']/cbc:CompanyID

From youA re-exported file

ThenRe-export

ProofSHA-256 and /verify link after the check