Self-assessed tax return (4001e)

You can file and pay self-assessed taxes (such as value-added tax or lottery tax) in MyTax.

Tax returns on self-assessed taxes must be filed electronically. Filing on paper is allowed only in exceptional cases.

Log in to MyTax

You can submit the information electronically, for example:

• via an API
• by uploading a file to the Ilmoitin.fi e-service.

Note: Although excise duties have been self-assessed taxes since 1 January 2021, they are not filed on Form 4001e. Read the instructions for filing and paying excise duty

If you report employer's contributions for 2018 or earlier, use the form for 2018.