Where can I find the end date of my tax assessment?

You can find the end date of your tax assessment on the tax decision that is in MyTax. How to find the tax decision in MyTax

The tax decision will also be sent to you by post if you have not enabled electronic communication with authorities, i.e. you have not activated Suomi.fi messages.

See an example of the first page of the tax decision

Everyone has their own end date for the tax assessment process. The tax assessment process will end between May and October. The tax assessment of spouses always ends at the same time.