Since 1 January 2024 (reporting years starting on or after 31 December 2023), the minimum tax for multinationals and large domestic groups (Pillar II) has been in effect. On 17 November 2025, an update was announced: the Belgian tax administration is granting an extension for the submission of the first return.

A new phase in the modernization of the VAT chain will start on May 1, 2026: the VAT commission account will be introduced and will replace the VAT current account. This reform is part of the broader digitization project that has been gradually rolled out by the FPS Finance since January 1, 2025.

Car taxation was thoroughly reformed a few years ago in order to steer companies faster towards a greener fleet of cars. This implied, among other things, a systematic reduction in the tax deductibility of cars that emit CO₂. With the Law of December 18, 2025 containing various provisions, the rules have now been tinkered with again.