`BR-CL-17`

EN 16931 · validation rule

EN 16931Error

A VAT category code in the VAT breakdown (BT-118) is not from the UNTDID 5305 subset. Allowed: S (standard), Z (zero rated), E (exempt), AE (reverse charge), K (intra-community), G (export), O (not subject), L (IGIC), M (IPSI), B (split payment).

Field: tax_breakdown[].category (BT-118)
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-CL-17?lang=en