E-invoicing becomes mandatory in Belgium
From January 2026, all Belgian B2B invoices must be sent via Peppol. Feen gives you everything you need (Peppol certificate included) in under 3 minutes.
The 2026 Peppol mandate explained
From January 2026, all Belgian B2B transactions must be exchanged via Peppol-compatible e-invoicing. This applies to companies of all sizes: freelancers, SMEs, and large corporations alike.
Key mandate dates
- 011 Jan 2026Mandate effective: all Belgian B2B invoices must use Peppol
- 02NowRegister your Peppol access point and test your setup
- 03Free todayFeen gives you a Peppol certificate included in every plan
What happens if you miss the deadline?
Companies that fail to comply with the Belgian e-invoicing mandate risk fines, rejected invoices, and payment delays from non-compliant clients. The SPF Finances has indicated enforcement will begin immediately in January 2026.
Check your Peppol readiness in 3 seconds
Enter your VAT number in our free tool to verify whether your company is already registered on the Peppol network.
Check Peppol statusHow Feen handles the mandate for you
- Peppol-native platform: send & receive UBL 3.0 e-invoices
- Peppol certificate included in every Feen subscription
- Automatic compliance checking on every outgoing invoice
- One-click BCE/Peppol company lookup
- E-invoice delivery tracking and error alerts
- Works with all Belgian banks via PSD2
MandateQuestions.
Still have a question?
Let's talk it through. Book 20 minutes and we'll answer whatever is holding you back.
Schedule a Call- From 1 January 2026, all Belgian companies must send and receive B2B invoices via the Peppol network in UBL format. This is mandated by Belgian law (Royal Decree aligned with EU Directive 2014/55/EU).
Ready to tryFeen?
14-day free trial. All features included. No credit card.
- 14-day free trial
- No credit card required
- Peppol ready from January 2026