Error codes · Belgium · BR-BE

Belgium e-invoice errors

Belgian rules (BR-BE-xx codes) for public-sector invoicing and the B2B mandate since January 2026.

8 errors documented

CodeRejectionSolvable

Belgian B2B invoices should use Peppol BIS Billing 3.0

Belgian sellers should include enterprise number (KBO/BCE)

BR-BE-01Fixable here

Enterprise Number Recommended

BR-BE-02Fixable here

Belgian VAT number recommended

BR-BE-10Fixable here

Belgian enterprise number format

BR-BE-11Fixable here

Belgian VAT number format

BR-BE-12Fixable here

Mercurius endpoint format

Belgian VAT numbers must be in correct format

Other countries: Germany · France · Italy · Netherlands · Spain · Poland · Austria

Mandate, formats and platform: Belgium country guide

Related

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Free Peppol BIS 3.0 Validator Validate Peppol Invoices for belgium

Countries

E-Invoicing in Belgium E-Invoicing in Germany

Compliance

Belgium B2B E-Invoicing Mandate 2026 How to Register for Peppol in Belgium

Blog

Belgium E-Invoicing After the Grace Period: What ERP Vendors Need to Know Belgium E-Invoicing: Penalties Are Live — What Changed After the Grace Period

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