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Warning

UBL-CR-236: Leave the tax registration address out of the buyer's tax details

In short

Warning: worth checking.

UBL-CR-236 means the buyer's tax details in your UBL invoice or credit note contain a registration address (RegistrationAddress), which EN 16931 does not use. Remove cac:RegistrationAddress from the buyer's cac:PartyTaxScheme. This rule does not check the completeness of the buyer's postal address (BG-8).

On this page

What it means

This rule checks that the buyer's tax details, the element cac:PartyTaxScheme, do not contain a registration address, cac:RegistrationAddress. EN 16931 provides the buyer's postal address separately in BG-8 and maps the buyer's VAT number (BT-48) to the tax block. The rule applies to UBL invoices and credit notes.

Why it matters

EN 16931 does not use RegistrationAddress in the buyer's tax details.

How to fix it

Check whether your invoicing software exports a registration address in the buyer's tax details and stop exporting that block. If you build the XML yourself, delete cac:RegistrationAddress from cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme without deleting the buyer's separate cac:PostalAddress. Export or save the file again and recheck it.

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 AccountingCustomerParty Party PartyTaxScheme RegistrationAddress

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-236 still fails, and which other rules do.

Updated 6 November 2026