errorBELMercurius

BR-BE-12:Mercurius endpoint format

B2G invoices to Belgian government must use the correct Mercurius endpoint format. The endpoint ID must be a valid Mercurius identifier.

We can help you fix this

NEEDS INPUT

Answer a few questions and we will fix it for you.

Simple form - we handle the XML for you
Upload and Answer Questions

How to Fix It

Code Example

<cbc:EndpointID schemeID="0208">0123.456.789</cbc:EndpointID>

Common Causes

  • Using wrong scheme ID for Belgian government
  • Endpoint identifier not from Mercurius system
  • Outdated government endpoint

Frequently Asked Questions

B2G invoices to Belgian government must use the correct Mercurius endpoint format. The endpoint ID must be a valid Mercurius identifier.
Use the proper Mercurius identifier from the Belgian government portal. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-BE-12 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
Many instances of BR-BE-12 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including mercurius endpoint format.

Last updated: 18 January 2026

Share this guide: