As previously reported, Belgium's Federal Public Service (FPS) Finance was the target of a cyberattack on 28 October 2026, which was successfully stopped but resulted in the need to take several services offline. Considering this, the deadline for tax returns due on or around 31 October 2026 was postponed to 16 November 2026. On 3 November 2026, the FPS updated its notice on the types of returns covered by the extension, to add that the extension also applies for the following professional w…