`BR-56`

EN 16931 · validation rule

EN 16931Error

A seller tax representative (BG-11) is given without its VAT identifier (BT-63). The sender must fill cac:TaxRepresentativeParty/cac:PartyTaxScheme/cbc:CompanyID (TaxScheme VAT) / ram:SellerTaxRepresentativeTradeParty/ram:SpecifiedTaxRegistration/ram:ID[@schemeID='VA'].

Field: seller_tax_representative.vat_id (BT-63)
Rule set: EN 16931
Rule-set version: EN 16931 validation artefacts 1.3.17 · in force since 2026-10-13 · Rule-set changelog
Who has to fix it: The sender

This is a property of the file you received, so it cannot be corrected on your side without changing the document — ask the supplier to reissue it.

Check your own invoice

Drop the file that failed. We parse it, run the official rule sets against it and list every finding with a fix — 20 invoices per day, no key, nothing stored.

Open the live demo

Same explanation over the API: GET /v1/rules/BR-56?lang=en