Belgian B2B e-invoicing obligation 2026: who must send and receive
The Belgian B2B e-invoicing obligation from 1 January 2026: who is in, who is out, why you must send and receive, and why a PDF is not enough.
Updated
- Belgium
The Belgian B2B e-invoicing obligation 2026 starts on 1 January 2026. VAT-liable businesses established in Belgium must send and receive structured electronic invoices for domestic B2B. A PDF in an email is not that invoice.
Belgium uses Peppol as the exchange network. This page is scope only. Go-live steps sit in the 2026 checklist. Fines sit in penalties. Consumer versus company invoices sit in B2B vs B2C.
When it applies
| Question | Practical answer |
|---|---|
| Start date | 1 January 2026 for the core domestic B2B mandate |
| Who | VAT-liable businesses established in Belgium |
| Transaction | Domestic B2B between parties in scope |
| Document | Structured e-invoice (typically via Peppol) |
| Direction | Send and receive both count |
- Structured e-invoice
A machine-readable invoice (not a PDF page) that software can book without retyping. In Belgian B2B it usually travels on Peppol.
Who is in
You are typically in when all of this is true:
- You are a VAT-liable business established in Belgium.
- The customer is also a Belgian VAT-liable business covered by the mandate.
- The document is an invoice (not a quote or a delivery note).
Legal form does not create an escape hatch. An SRL, a sole trader, and a VAT-liable ASBL all sit in the same channel rule when they invoice in-scope B2B.
In practice you need a Peppol identity, a way to issue valid structured invoices, a way to receive structured invoices from suppliers, and processes that stop finance falling back to PDF-only on those flows.
Receiving is not optional. Suppliers will send structured invoices. Customers will expect to find you on the network.
Who is out
These flows are usually outside the core domestic B2B structured mandate. They can still need a correct VAT invoice:
- B2C sales to private consumers (channel split)
- A counterparty that is not a Belgian VAT-liable business covered by the mandate (see foreign counterparties)
- Documents that are not invoices (quotes, order confirmations, delivery notes)
- A published exemption or transitional rule from the legislator or FPS Finance
Do not invent a "small invoice" exception. Amount does not replace the channel rule.
Franchise / VAT-exempt sales often change the send side. They do not stop in-scope suppliers from sending you Peppol invoices. Reception first: VAT exemption and Peppol receive.
Send and receive
| Capability | Why it is in the obligation |
|---|---|
| Published participant identity | Counterparties can discover you |
| Outbound structured invoices | You meet the issuing side |
| Inbound routing to AP / accounting | You process what suppliers send |
| Retention of the electronic original | Audit trail for the structured file |
If you can send but your inbox is dead, you are not ready. If you can receive but still email PDFs to Belgian company customers, you are not ready.
Worked example
Atelier Nord SRL is VAT-liable in Brussels.
- It invoices a Belgian SRL for a shop fit-out. That invoice must leave as a structured Peppol document. A PDF copy for the site manager is fine; PDF alone is not.
- It invoices a private household for a repair. That is B2C. The mandate does not force Peppol.
- A Belgian timber supplier invoices Atelier Nord. Atelier Nord must be reachable and must book the structured original.
The same week therefore uses two outbound channels (Peppol for the SRL, consumer process for the household) and one inbound Peppol path.
FAQ
What is the Belgian B2B e-invoicing obligation 2026?
From 1 January 2026, VAT-liable businesses established in Belgium must exchange structured electronic invoices for domestic B2B. Send and receive both apply. Peppol is the usual network.
Who must comply?
VAT-liable businesses established in Belgium when they invoice other Belgian VAT-liable businesses in scope. Confirm edge cases (establishments, special regimes) with your accountant and FPS Finance.
Who is out of scope?
Typical exclusions are B2C, counterparties not covered by the Belgian structured mandate, and documents that are not invoices. Published exemptions only. See B2B versus B2C for the channel split.
Do I have to send and receive?
Yes for in-scope parties. Issuing structured invoices without a working inbound path (or the reverse) leaves a capability gap.
Is a PDF invoice enough?
No for in-scope domestic B2B. A PDF can travel as a human-readable copy. The obligation is about structured data the buyer's software can book.
What if I am not ready?
Missing send or receive capability is the risk track described in the penalties article. Close the gap, then keep evidence of registration, delivery, and archive.