Since 1 January 2026, invoices are received via Peppol. However, the dispute process has not changed: you must still dispute any invoice you disagree with.
How to dispute an invoice?
Deadline: the dispute must be raised within a reasonable timeframe, in practice 10 to 14 days after receipt.
Justification: you must explain the reasons for your disagreement, ideally specifying that the grounds listed are given by way of example.
Proof: a verbal dispute is not sufficient. Ideally, you should have an email with a reply, a read receipt, or a registered letter for maximum security.
Important: it is not possible to dispute an invoice directly via Peppol.
Proof of delivery
Peppol now prevents late payers from claiming they did not receive the invoice: receipt is presumed.
In addition, you can easily obtain proof of delivery. This is a digital signature that clearly confirms the validity of your invoice submission. Go to Income, Invoices and hover over the Peppol icon:
Conclusion
Even via Peppol, a disputed electronic invoice must be challenged promptly, in writing, with reasons and proof, outside of Peppol itself.
If you have any questions, contact us via the live chat at the bottom right 😊
The BILLY Team