Welcome to www.ilmoitin.fi
What does this website do for you?
Use this website service to
- submit tax returns and other filings in electronic format
- browse your earlier filings
- run a check for making sure that the file format is correct
Ilmoitin.fi is a web gateway for electronic submittal of software-generated tax filings that are set up according to the specified formats. There are no fillable web forms available at this site.
How to sign in?
Users representing a company/organization must sign in with a Katso ID. If you do not have a Katso ID you can ask for it to be created for you in the Katso website (yritys.tunnistus.fi).
Self-employed agricultural and forestry taxpayers and self-employed businesses can submit personal filings when they have signed in with their Web bank identifiers.
Managing Directors and housing-company Superintendents may sign in to their personal web bank to submit tax returns of their company/housing company. However, this requires that their names are entered in the Trade Register files: if they are not on file, they cannot submit returns. Please check the Trade Register records to make sure they are up to date.
If you have signed in with Katso identifiers you must use your Business ID in your tax return filings. And if you have signed in with your personal User ID and Password issued to you by a bank, use your personal identity code in your tax return filings.
What filings can you send?
Katso ID and password are for submitting income tax returns, annual information returns, returns for self-assessed taxes and construction reports to the Tax Administration electronically. The Katso e-Service also enables you to send notices and application letters to Kela and the Unemployment Insurance Fund. Methods of sign-in, Roles, rights to represent organizations page shows you what filings you can submit with Katso identifiers.
Operators of agriculture or forestry, and operators of a trade or business can log in with their personal e-bank security codes to file income tax returns, returns for self-assessed taxes, and some annual information returns. Methods of sign-in, Roles, rights to represent organizations page shows you what filings you can submit with personal web bank identifiers.