When you log in to MyTax, your tax-related letters will change from paper to electronic form automatically. Read more about the changes.
Report the transfer tax in MyTax if possible. If you cannot use MyTax you can send a paper form or give out a letter of authorisation to have another person deal with tax reporting for you.
If there are several buyers, enter only your share of the property acquired. Each buyer must file a transfer tax return separately. You cannot submit information regarding other buyers, such as your spouse, on the same return.
Choose how to submit
The paper form can be used by individual taxpayers, general partnerships and limited partnerships, and by auctioneers that have collected the transfer tax from the buyer.
Download the form
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The online authorisation mandate
You can use the feature called “Suomi.fi Authorization” to enable you to deal with another person’s taxes through e-services, over the telephone, or by visiting a service point on their behalf.
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Letters of authorisation on paper
You can receive a letter of authorisation from the other person. It will enable you to deal with that person’s taxes on the telephone, by visiting a service point on their behalf, or by submitting information on paper tax forms. To have a letter of authorisation (often called a ‘power of attorney’) does not provide access to MyTax.
Letter of authorisation for tax representation of individual taxpayers
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When is there no need for an authorisation mandate?
The following circumstances are examples of when you can deal with someone else’s taxes with no authorisation.
You have child younger than 18 and you handle the child’s taxes
You are automatically authorised to access MyTax for the child, without an authorisation. Log in to MyTax and select “Act on behalf of someone else”.
Read more about this subject on Suomi.fi.
You are a guardian
You do not need a Suomi.fi authorisation when your continuing power of attorney for being a guardian is officially confirmed, or when you are registered as a private guardian. Log in to MyTax and select “Act on behalf of someone else”.
Note: If you are a public guardian, in other words, a public official employed by a public guardianship office, you can only use paper forms.
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Real estate agents and securities brokers use a different transfer tax return
Key terms:
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 11/27/2024