🇧🇪Belgium E-Invoice Errors
Belgian e-invoicing validation errors (BR-BE-xx codes) for mandatory B2G and upcoming B2B mandates starting January 2026.
8 errors documented
BR-BE-01peppol-bis-3countryINPUTEnterprise Number Recommended
Belgian invoices should include the 10-digit enterprise number (ondernemingsnummer) formatted as 0XXX.XXX.XXX.
BR-BE-02peppol-bis-3countryINPUTBelgian VAT number recommended
Belgian invoices should include the BTW/TVA number in format BE + 10 digits.
BR-BE-10UBL-BEcountryINPUTBelgian enterprise number format
Belgian enterprise numbers (KBO/BCE) must be formatted as 0XXX.XXX.XXX with schemeID="0208". This is required for all Belgian business identifiers in Peppol invoices.
BR-BE-11UBL-BEcountryINPUTBelgian VAT number format
Belgian VAT numbers must start with the BE prefix. The format should be BE followed by 10 digits (BE0XXXXXXXXX).
BR-BE-12MercuriuscountryINPUTMercurius endpoint format
B2G invoices to Belgian government must use the correct Mercurius endpoint format. The endpoint ID must be a valid Mercurius identifier.
BE-01CIUS-BE (Belgium)countryBLOCKEDBelgian B2B invoices should use Peppol BIS Billing 3.0
Belgian B2B invoices should use Peppol BIS Billing 3.0. This validation rule ensures Invoice compliance with CIUS-BE (Belgium).
BE-02CIUS-BE (Belgium)countryBLOCKEDBelgian sellers should include enterprise number (KBO/BCE)
Belgian sellers should include enterprise number (KBO/BCE). This validation rule ensures Invoice compliance with CIUS-BE (Belgium).
BE-03CIUS-BE (Belgium)countryBLOCKEDBelgian VAT numbers must be in correct format
Belgian VAT numbers must be in correct format. This validation rule ensures Invoice compliance with CIUS-BE (Belgium).
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