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Warning

UBL-CR-243: Leave the buyer's legal form code out

In short

Warning: worth checking.

UBL-CR-243 means the buyer's details include a code for their legal form (CompanyLegalFormCode), which EN 16931 does not use. Remove that element from the buyer's legal entity block.

On this page

What it means

This rule checks the buyer's legal entity block in a UBL invoice or credit note (cac:AccountingCustomerParty, cac:Party, cac:PartyLegalEntity). It must not contain cbc:CompanyLegalFormCode, a code describing the buyer's legal form.

Why it matters

The rule excludes the separate legal form code from the buyer's legal entity details. It checks for the element regardless of which code it contains.

How to fix it

Configure your UBL export to omit the buyer's separate legal form code. Do not remove the buyer's name or company registration number. If you edit or generate the XML, remove cbc:CompanyLegalFormCode from cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity. Recheck the file in Klarbon.

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 PartyLegalEntity CompanyLegalFormCode

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-243 still fails, and which other rules do.

Updated 6 November 2026