When you log in to MyTax, your tax-related letters will change from paper to electronic form automatically. Read more about the changes.
The information-reporting requirement concerns companies that have distributed dividends. It also concerns companies and other corporate entities that have paid out other distributions that are taxable as dividends.
The company must submit the information electronically if five or more shareholders received dividends.
The paper forms are available in Finnish and Swedish only.
When to file? – Giving the correct details about dividends
How to submit the annual information return
You can file the annual information return in MyTax. After logging in to MyTax, select Report or request information in a limited scope.
You can also send the annual information return via Ilmoitin.fi. You need a separate file that matches the record description of the annual information return.
Guidance for annual information returns as software files — specifications of data formats
Instructions
2026 – Annual information return on dividends
2025 – Annual information return on dividends
2024 – Annual information return on dividends
2023 – Annual information return on dividends
Making corrections
See instructions how to make corrections to an annual information return
The Tax Administration can use automated decision-making in the context of resolving tax matters. This means that a decision concerning your tax matter may be based on partial or full use of an automated decision-making system. Read more about automated decision-making at the Tax Administration (only in finnish).
Page last updated 6/17/2026