`BR-DEX-02`

EN 16931 · validation rule

EN 16931Warning

XRechnung extension: the net amount (BT-131) of an invoice line or sub invoice line should equal the sum of the net amounts of its direct sub invoice lines (BG-DEX-01). The sender should recompute the parent line amount.

Field: lines[].net_amount (BT-131)
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-DEX-02?lang=en