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Appealing a tax decision

When necessary, a decision related to taxation can be appealed. A set of instructions for appealing the decision will be attached to the decision. The instructions will include the deadlines for appeals and other necessary information. An appeal is generally lodged in the form of a request for a revision sent to the Adjustment Board.

You can usually submit a claim for revision in the MyTax service.Opens in a new window. If you are not satisfied with the decision given by the Adjustment Board, file an appeal to an Administrative Court. 

Note that you can report changes on the pre-completed tax return (which you receive in spring) by supplementing your tax return. You can apply for the changes by submitting a request for a revision but only after the tax assessment end date. Processing times of the requests for revision are significantly longer and for this reason, you should enter all corrections on the tax return.


Text edited by: Suomi.fi editorial team
Updated: 30/5/2023