The (new) capital gains tax on financial assets was approved in parliament on Thursday, April 2, and will apply retroactively from January 1, 2026. It is clear that the impact on savers, investors, and shareholders will be significant. In this article, we explain what is changing and how to best prepare.

Since 1 January 2024, the minimum tax for multinationals and large domestic groups (Pillar 2) has been in effect. On 3 April 2026, an update was announced: the Belgian tax administration is granting a new extension for the submission of the first return.

On March 12, 2026, the European Court of Justice ruled that Belgium's additional tax for non-residents (the 7% federal opcents) violates the free movement of workers within the European Union (the so-called Chefquet ruling).