Pre-completed tax return
In March or April 2023, you will receive a pre-completed tax return. If there is no need for corrections or additions in your return, you do not have to do anything.
If you want to make corrections, the deadline for them is 9 May, 16 May or 23 May 2023. You can check the deadline date on your tax return and in MyTax.
Self-employed business operators and agricultural operators as well as their spouses receive their pre-completed tax returns in March. The deadline for corrections to these returns is 3 April 2023.
Back tax
Tax year 2021: If your tax assessment was completed in October, the due date is 1 February 2023. Check the amount and the instructions for payment in MyTax.
Tax year 2022: You will see the amount of any back taxes including their due dates on your tax decision or in MyTax in the spring.
Refunds
Refunds for the 2022 tax year will be paid to most individual taxpayers in August 2023. You will see the refund amount and the payment date on your tax decision or in MyTax in the spring.
How to check the content of pre-completed returns
What should I check? What is a “tax decision” or a preliminary calculation of assessed taxes?
How to file returns
If you file late
If you file a tax return late, you may be required to pay a late-filing penalty or punitive tax increase.
Tax decision
The section on the paper form headed “Verotuspäätös” or “Beskattningsbeslut” (=tax decision) contains the result of your assessment for the year.