Belgium e-invoicing
Belgium mandates structured B2B e-invoicing from January 2026, exchanged over the Peppol network using Peppol BIS Billing 3.0 — a CIUS of EN 16931 carried in UBL syntax.
- Timeline
- January 2026
- Scope
- B2B mandatory via Peppol
- Platform
- Peppol network
Mandate timeline
- Jan 2026Structured e-invoicing becomes mandatory for domestic B2B transactions, via Peppol.
Formats
Peppol BIS Billing 3.0UBL 2.1
How InvoiceHub helps today
InvoiceHub validates the EN 16931 core rules for Peppol UBL invoices and detects the Peppol profile today, and generates EN 16931-conformant UBL. Peppol-specific rule packs and on-network transmission are on the roadmap.
Frequently asked questions
What format does Belgium require?
Belgium requires Peppol BIS Billing 3.0, a UBL-based CIUS of the EN 16931 standard, exchanged over the Peppol network.
When does the Belgian B2B mandate start?
Mandatory structured B2B e-invoicing applies from January 2026.
Can I validate Peppol BIS invoices?
Yes — InvoiceHub runs the official EN 16931 Schematron over Peppol UBL invoices today and reports the detected profile. Peppol transmission is on the roadmap.