# BH-FR-05 — SIREN in VAT number contradicts BT-30

> https://billhorse.com/en/rules/bh-fr-05/

## What does this error mean?

The last 9 digits of the French VAT number must match the seller's SIREN.

## How to fix it

Reconcile master data — usually one of the two values is outdated or swapped.