Unifiedpost Group has a compliant inbound and outbound solution. We are also an accredited Peppol Access Point.
B2G technical requirements
- Platform - Mercurius, reached via Peppol
- Format - Peppol BIS 3.0, UBL 2.1
- Archival period - Minimum 7 years
B2G timelines
- For all contracts above €3,000
B2B mandates
- Jan 2026 - Mandatory B2B e-invoicing for sending and receiving for Belgian-established and VAT registered companies
- The transaction takes place in Belgium and it is not exempted to art. 44 of Belgium VAT code
B2B technical requirements - “Dual-Track”
- Default network and format - based on Peppol
- Second “track” will allow taxpayers to opt-out from the default network, based on mutual agreement, and use another means for e-invoicing, i.e. EDI.
Additionally
- Non-resident Belgian VAT-registered businesses are not required to comply with the 2026 e-invoicing mandate.
- By January 2028, Belgium plans to introduce near real-time e-reporting, integrating tax authorities into the e-invoicing process.
