`BR-DEC-28`

EN 16931 · validation rule

EN 16931Error

The invoice line charge base amount (BT-142) has more than two decimal places. Amounts must be rounded to at most 2 decimals before serialisation (e.g. 12.345 -> 12.35); only unit prices (BT-146/BT-148) may carry more decimals.

Field: lines[].charges[].base_amount (BT-142)
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-DEC-28?lang=en