`BR-53`

EN 16931 · validation rule

EN 16931Error

A VAT accounting currency (BT-6) is given, so the invoice must also state the total VAT amount in that currency (BT-111). The sender must add a second cac:TaxTotal/cbc:TaxAmount with currencyID = BT-6 / ram:TaxTotalAmount with currencyID = BT-6, or drop cbc:TaxCurrencyCode.

Field: totals.tax_in_accounting_currency (BT-111)
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-53?lang=en