`PEPPOL-EN16931-P0108`

Peppol BIS Billing 3 · validation rule

Peppol BIS Billing 3Error

The VAT exemption reason code (BT-121) VATEX-EU-D is used, but the VAT category (BT-118) of that breakdown is not E. Either change cac:TaxCategory/cbc:ID to E or use the exemption code that matches the category actually applied.

Field: tax_breakdown[].exemption_code (BT-121) / tax_breakdown[].category (BT-118)
Rule set: Peppol BIS Billing 3
Rule-set version: Peppol BIS Billing 3.0 (rules master, Sep 2026) · in force since 2026-09-07 · 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/PEPPOL-EN16931-P0108?lang=en