Peppol Validator
Validator
🇧🇪 Validate Peppol Invoices for Belgium
PeppolMandatoryPeppol
Peppol BIS Billing 3.0 is required in Belgium. Belgium went live with mandatory B2B e-invoicing on January 1, 2026, making it the first EU country to mandate Peppol as the exclusive B2B channel.
Quick Facts
What We Validate
UBL 2.1 XML schema compliance
Peppol BIS Billing 3.0 business rules
EN 16931 semantic model compliance
Party identification (Peppol IDs)
Tax calculation accuracy
Code list validation (currency, country, unit codes)
Attachment handling (embedded documents)
Invoice Navigator covers 89 Peppol BIS 3.0.17 rules for Belgium.
Common Peppol Errors
Belgium E-Invoicing Requirements
Phase
Status
Scope
B2G
Live (Nov 2022)
All federal government suppliers
B2B
Live (Jan 2026)
All Belgian VAT-registered businesses
Validation enginePeppol validation (OpenPeppol rules + Belgian CIUS)
Required CIUSPeppol BIS Billing 3.0
Government portalMercurius (B2G access point)
Routing identifierKBO/BCE enterprise number (mapped to Peppol ID)
PeppolMandatory — Peppol is the sole B2B exchange channel
Belgium is the purest Peppol mandate in the EU — no alternative channels, no national portal fallback for B2B. This simplifies format handling but creates specific integration requirements.
FAQ
What is Peppol BIS Billing 3.0?
Peppol BIS Billing 3.0 is the standardized e-invoice format used across the Peppol network. It's based on UBL 2.1 and complies with EN 16931, the European e-invoicing standard.
Do I need to be on the Peppol network to use this validator?
No. You can validate any Peppol BIS 3.0 invoice file without being connected to the Peppol network. This helps you ensure compliance before sending.
What's the difference between Peppol BIS and plain UBL?
Peppol BIS adds specific business rules and restrictions on top of UBL 2.1. Our validator checks both the UBL schema and the Peppol-specific requirements.
Is this validator free?
Yes. You can validate up to 10 invoices per month for free. No signup required for basic validation.
Which Peppol BIS version do you validate?
We validate against the latest Peppol BIS Billing 3.0 specification (currently 3.0.17). We update our rules within 48 hours of official releases.
Learn
E-Invoicing Deadlines
Answers
What is Peppol BIS Billing 3.0 and how does it work?
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Learn
Free Peppol BIS 3.0 Validator
Blog
EN 16931 Validation: The Complete Rule Map (955 Rules Explained)
Blog
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Countries
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