Stay Ahead of Belgium’s 2026 E-invoicing Rollout

- B2G: Mandatory for contracts published after March 1, 2024 (generally for amounts above €3,000).
- B2B: Mandatory for nearly all VAT-registered Belgian enterprises as of January 1, 2026.

All Belgian enterprises registered for VAT will be required to use structured electronic invoices for B2B transactions starting January 1, 2026. Suppliers to government entities (B2G) have been mandated to e-invoice since March 1, 2024 for certain public contracts (above €3,000).

Belgium is adopting e-invoicing to improve compliance, reduce VAT fraud, streamline financial operations, enhance process efficiency, and encourage digital transformation across both the public and private sectors.

- B2B (Business-to-Business): Compulsory structured e-invoicing for almost all Belgian VAT-registered enterprises from January 1, 2026.
- B2G (Business-to-Government): Mandatory since March 1, 2024 for federal public contracts above €3,000.
- B2C (Business-to-Consumer): Not mandatory.
- International Invoicing: Allowed with the recipient’s agreement; Peppol can be used if both parties consent.

Belgium uses the Peppol network, a secure, standardized digital infrastructure. The Mercurius platform acts as a “mailroom” for public sector invoices. B2B invoices are exchanged directly between the software systems of the involved parties over Peppol

Invoices must comply with the European standard EN16931. In practice, this means using the Peppol BIS format to transmit invoices. Both parties can agree to an alternative format if it meets EN16931 criteria and can be converted into a compliant invoice.

Belgium uses a platform agnostic 4 corner Peppol invoicing model aligned with the EN16931 standard and the Peppol network for secure, interoperable invoice exchange.

Create a structured e-invoice using EN16931/Peppol BIS standards and submit it through Peppol compatible software. The invoice then flows securely via the Mercurius platform (for B2G) or directly to recipients’ systems (fo

Peppol (Pan-European Public Procurement On-Line) is a decentralized network designed to facilitate the secure and standardized exchange of electronic documents, including invoices, across different organizations and countries within the European Union. It ensures interoperability by adhering to common standards, allowing businesses and public authorities to send and receive structured e-invoices seamlessly. In Belgium, businesses use Peppol-compatible software to interact with the Mercurius platform for B2G transactions and the broader Peppol network for B2B exchanges.

ClearTax e-invoicing solution helps Belgian businesses integrate their business system with PEPPOL network for e-invoice generation. ClearTax’s is Peppol compliant, ensuring seamless integration with Belgian regulations and government portals.

- Integration with Business System
- End-to-end Belgium e-invoicing compliance
- Bulk invoice generation and status tracking
- Dedicated e-invoicing portal
- Automated archiving and audit support
- Enhanced security and data privacy

Yes. ClearTax easily connects with your existing systems, helping you transition smoothly to structured e-invoicing.

Yes. ClearTax’s solution is scalable for all business sizes and is compatible with tax incentives such as investment allowances and expense deductions.

Contact ClearTax, choose a suitable plan, integrate with your existing software, train your staff, and begin compliant e-invoicing.