Did you know that starting in 2026, e-invoicing will be mandatory for all self-employed people in Belgium? At least for B2B invoices.
Want to be ready for this deadline? With Accountable, you can already send electronic invoices. Here, we walk you through all the steps, from registering on Peppol to sending your invoice in Accountable.
To send and receive electronic invoices, you need to register on the Peppol network as a self-employed person. Peppol is a system that standardises and simplifies the exchange of electronic invoices within the European Union.
Good news: registering with Peppol is free and easy, for example via Accountable.
1. In Settings > Peppol, click on “Start registration”.
2. Complete the form or check the entered data and click “Continue”.
As of now, your registration on Peppol is pending. Wait until the status changes to “Active”. This can take anything from a few minutes to a few hours.
Note that your client must also be registered on the Peppol network to receive electronic invoices. As the obligation to use e-invoicing only applies from 2026, it may be that your client is not (yet) registered on Peppol. You can check this in Accountable.
1. Go to “Revenues” and create a new invoice.
Once you have filled in all the information and invoice details, click "Continue" then "Save & prepare to send".
2. In the next window, enable “Send the invoice via Peppol”.
You can check if your client is registered on Peppol in the Peppol directory. Simply enter your client's name to see if they’re registered.
No, both you and your client must be registered on the Peppol network for you to be able to send them a Peppol invoice. If your client isn’t registered, you’ll need to send the invoice in another way (e.g. a PDF sent via email). Note that electronic invoicing becomes mandatory as of 2026.
Don't worry: if your client isn't registered on Peppol yet, you won't be able to send them an electronic invoice. You’ll receive an error message if you try.
Electronic invoicing won’t be mandatory for transactions between other EU member states until 2030. In some countries, like Germany, electronic invoicing is already in place, but in others, e-invoicing isn’t mandatory yet. Since the different platforms are not yet fully compatible with each other, there’s no obligation to send electronic invoices to clients in other EU member states, but it’s already possible to do so.
Do you still have questions about sending electronic invoices via Peppol? Contact our Tax Coaches.
Author - Alexis Eggermont
Alexis is co-founder at Accountable. He is passionate about leveraging data, AI, technology, and entrepreneurship.
Who is Alexis ?Thank you for your feedback!
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