How do I fix BR-BE-12?

Use the proper Mercurius identifier from the Belgian government portal. Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.

Is BR-BE-12 a critical error?

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.

Can BR-BE-12 be automatically fixed?

BR-BE-12 requires specific business data to resolve. Invoice Navigator detects the error and guides you through providing the needed information, then applies the fix with full audit documentation.

Error codes · Mercurius · Belgium

BR-BE-12Fixable here

Mercurius endpoint format

This is the rejection, word for word: „[BR-BE-12] B2G invoices to Belgian government must use the correct Mercurius endpoint format. The endpoint ID must be a valid Mercurius identifier.“

What to have readyMercurius Endpoint ID

What we doUse the proper Mercurius identifier from the Belgian government portal.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

What the finding looks likeExample

FindingValue missing · BR-BE-12

From youMercurius Endpoint ID

ThenPassed

ProofSHA-256 and /verify link after the check