When is the next period open for declaration/annual report?

The possibility to complete the tax declaration and annual report is opened up at the latest close to the end of the financial year.

In general, periods P1-P3 open in January and period P4 opens in November.

Examples

  • Declaration for fiscal years ending in Jan - Aug 2026 (2026 P1-P3) opens in January 2026.

  • Declaration for fiscal years ending in Sept - Dec 2026 (2026 P4) opens in November 2026.