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Warning

UBL-CR-331: No tax scheme name for the tax representative

In short

Warning: worth checking.

UBL-CR-331 means the tax scheme of the seller's tax representative has a name (cbc:Name), which EN 16931 does not use. Keep only the scheme code VAT and remove the name.

On this page

What it means

Inside the tax details of the seller's tax representative, EN 16931 only uses the tax scheme identifier, which must be VAT (cac:TaxScheme/cbc:ID). The rule flags a cbc:Name in that cac:TaxScheme, a written name for the scheme such as Value Added Tax. UBL allows it, but EN 16931 has no field for it. The check is the same for invoices and credit notes.

Why it matters

EN 16931 uses the tax scheme identifier, not a separate scheme name, in the tax representative's tax details.

How to fix it

Keep the scheme code VAT and drop the name. In the exported XML, delete cbc:Name from cac:TaxRepresentativeParty/cac:PartyTaxScheme/cac:TaxScheme. Remove the whole element rather than leaving it empty. Recheck the exported file.

Once the file is corrected, check it again for free: Validate an invoice against EN 16931

Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice

The rule as published

A UBL invoice should not include the TaxRepresentativeParty PartyTaxScheme TaxScheme Name

Where this rule applies

Rule set Version
EN 16931 (UBL) 1.3.17
EN 16931 (UBL credit note) 1.3.17
XRechnung 3.0 (UBL) 3.0.2
XRechnung 3.0 (UBL credit note) 3.0.2
Peppol BIS Billing 3.0 (invoice) 2026.5
Peppol BIS Billing 3.0 (credit note) 2026.5
SI-UBL 2.0 / NLCIUS (invoice) 2.0.3.13
SI-UBL 2.0 / NLCIUS (credit note) 2.0.3.13
France CTC (UBL invoice) 1.4.0-04
France CTC (UBL credit note) 1.4.0-04
CIUS-RO UBL Invoice 1.0.9 1.0.9
CIUS-RO UBL Credit Note 1.0.9 1.0.9
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether UBL-CR-331 still fails, and which other rules do.

Updated 6 November 2026