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Warning

CII-SR-286: Do not add company registration to the seller's tax representative

In short

Warning: worth checking.

CII-SR-286 means the seller's tax representative has a legal organisation block (SpecifiedLegalOrganization), such as a company registration number, which the invoice standard does not use for that party. Remove the block and keep the name and VAT number.

On this page

What it means

The seller's tax representative (BG-11) contains a SpecifiedLegalOrganization element, which holds company registration details. EN 16931 has a company registration number for the seller and the buyer, but not for the seller's tax representative. This party is identified by its name (BT-62) and its VAT number (BT-63).

Why it matters

This is only a warning, so the file is still accepted. The registration details have no field in the EN 16931 data model, so the buyer's software will not read them and the tax authority gets nothing extra from them.

How to fix it

Check how the tax representative is set up in your invoicing software, often in the company or seller settings, and clear any company registration or legal entity fields on it. Make sure the name and VAT number are filled in. If you build the XML yourself, delete SpecifiedLegalOrganization under SellerTaxRepresentativeTradeParty.

The rule as published

SpecifiedLegalOrganization should not be present

Where this rule applies

Rule set Version
EN 16931 (CII) 1.3.17
XRechnung 3.0 (CII) 3.0.2
NLCIUS (CII) 1.0.3.13
France CTC (CII) 1.4.0-04
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether CII-SR-286 still fails, and which other rules do.

Updated 6 November 2026