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Declaration of flat-rate taxpayers - What are the final submission deadlines?
For taxpayers who are part of the lump-sum system, the submission dates for personal income tax differ from those for other taxpayers.
Consider your advance payments for the fourth quarter.
You have until 22 December at the latest to make your fourth advance payment for 2025 (fourth quarter). However, it is advisable not to wait until the last minute. This will help you avoid any unpleasant financial consequences.
Simplification of the NACE codes in several areas
In the central database for enterprises (CBE), the NACE codes for certain activities will be updated at the beginning of 2026 to more accurately reflect your activities.