Additionally, the tax administration has not yet announced the submission deadlines for the declarations of these taxes. These deadlines, along with the opening date of Biztax, will be confirmed soon.
Once they are available, we will keep you updated through Lex4You.
Sources
- Royal Decree of 8 March 2026 establishing the model of the declaration form for corporate tax for the assessment year 2026, the Moniteur belge of 16 March 2026
- Royal Decree of 8 March 2026 establishing the model of the declaration form for income tax for the assessment year 2026, the Moniteur belge of 16 March 2026
- Royal Decree of 8 March 2026 establishing the model of the declaration form for non-resident tax (companies, associations, etc.) for the assessment year 2026, the Moniteur belge of 16 March 2026