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Tax card

If your income or deductions change, your withholding rate may be too high or low. In that case, you may want to make changes to your tax card.

You can change the tax card as many times as necessary during the calendar year.

Bank account number

Submit your bank account number if you have not submitted it yet or if it has changed.

We need your bank account number to pay you tax refunds.

Pre-completed tax returns

If you want to make corrections, the deadline for them is 7 May, 14 May or 21 May 2024. You can check the deadline date on your tax return and in MyTax.

Did you forget to make changes for your tax assessment by the deadline 7 May or 14 May 2024? Report the tax details as soon as you can. – Finland in your language

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