BR-O-01
EN 16931 · validation rule
EN 16931Error
A line, allowance or charge uses VAT category O (category O means the supply is outside the scope of VAT altogether (no VAT law applies, e.g. seller not VAT-registered)), but there is not exactly one VAT breakdown (BG-23) with category O. The sender must add one cac:TaxSubtotal / ram:ApplicableTradeTax with category O (no rate) that covers those amounts.
- Field
tax_breakdown[].category (BT-118)- Rule set
- EN 16931
- Rule-set version
- EN 16931 validation artefacts 1.3.17 · in force since · 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 demoSame explanation over the API: GET /v1/rules/BR-O-01?lang=en