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Accountants ask for VAT delay due to e-invoicing glitches

11:38 19/01/2026

Belgian accountants and tax specialists are urging authorities to be more flexible with forthcoming deadlines to declare and pay VAT following widespread technical issues linked to the new Peppol electronic invoicing system.

They warn that persistent problems with the system lead to a higher risk of error and place strain on businesses and accounting firms ahead of key deadlines.

Peppol is a standardised platform designed to digitise and streamline the exchange of invoices between companies and public authorities.

The electronic system, which replaces PDF and paper invoices, has been compulsory for all Belgian businesses and freelancers who charge VAT since the beginning of January and has faced significant operational disruptions since its inception.

Accountants say many firms are struggling to submit electronic invoices and connect easily with the system, leading to overall delays.

They have formally asked the federal government to allow a grace period or suspension of vAT filing obligations until technical issues are resolved. VAT declarations for the final quarter of 2025 are due tomorrow (20 January) and the first-quarter deadline is 20 April.

Tax advisers argue that without additional time, companies may face fines or penalties for issues beyond their control.

Peppol’s integration with existing accounting software remains limited, with some users experiencing blocked submissions or incomplete transmission of data.

Smaller firms, in particular, have been hit the hardest, lacking the resources to navigate glitches or invest in expensive solutions.

The call for a change comes as the first major vAT reporting deadline under the new system fast approaches, putting pressure on both businesses and Belgian tax authorities to adapt quickly.

Clearer guidance and better support could help reduce disruption in the transition to fully digital invoicing.

Government officials have not yet confirmed whether any official delay of VAT deadlines - or a grace period for late returns - will be granted.

They have said that the move to electronic invoicing aims to improve efficiency and reduce fraud, and that efforts are under way to address technical shortcomings.

Written by Emil Verhulst