Take care of your tax matters in MyTax. Log in with your online banking codes, a mobile certificate or the Finnish Authenticator app.
If you use the service on behalf of someone else, you will need a Suomi.fi authorisation.
How to check the amount and payment date of your tax refund
When do I receive a new tax decision?
Activate Suomi.fi messages to receive tax mail electronically
How to submit a bank account number
How to view and pay back taxes
MyTax instructions for tax cards
Instructions for using MyTax
Frequently Asked Questions