Information on MyTax

MyTax will replace the majority of the Tax Administration's current e-services. One of the first of the Tax Administration’s services to be replaced by MyTax was Tax Account Online. In November 2017, Corporate Tax Online will be incorporated into MyTax.

Read and watch instructions for using MyTax

In MyTax, you can

  • file an income tax return for a corporation or joint administration
  • request or change prepayments
  • file self-assessed tax returns (for e.g. VAT or employer's contributions)
  • request payment arrangement (self-assessed taxes, corporate income tax, gift tax and inheritance tax)
  • order a statement of tax debts
  • file gift tax returns
  • submit bank account numbers
  • ask about employer contributions or gift tax.

For income tax and self-assessed taxes, you can also

  • read decisions
  • respond to information requests
  • make claims for adjustment
  • check details for making a payment or pay directly online.

Logging in to MyTax works in the same way as in current e-services

Individuals and the self-employed use their personal e-banking codes for logging in

You can log in to MyTax through your e-bank or with a mobile ID card if you are:

  • A private individual
  • A self-employed operator of a trade or business
  • An operator of a farm or forestry enterprise

Businesses and corporate taxpayers must have Katso identifiers for logging in

This applies to the following groups of taxpayers:

    • Companies (limited-liability, housing and real-estate)
    • Corporate entities (including foundations and associations)
    • Public organisations (municipalities, parishes of churches)
    • Consortia (including agricultural, forestry, business, and more)
    • Estates of deceased individuals (with a Business ID)

Katso roles and authorisations

This role is intended for the person that has the right to sign for the company.

If you are managing affairs on behalf of a corporate entity, you are authorised to use all MyTax activities and to see all information available in MyTax.

If you are managing affairs on behalf of an individual, all MyTax activities are available to you (including submittal of bank account numbers), but

  • the balance that you see in MyTax does not contain information about gift tax
  • you cannot view more detailed information on inheritance and gift tax, such as decisions or information requests. Details about inheritance and gift tax are, however, displayed in the summary. The details are displayed even if the summary does not contain any self-assessed taxes. Furthermore, payment details relating to inheritance and gift tax may be included in information on the use of payments, as well as in letters relating to payments and their use.

You can read letters published in MyTax about for example taxpayer registration, tax audits and payments. You can also receive emails whenever there are notes and reminders about overdue payments or about new messages and letters in MyTax.

 

This role is intended for a person who manages authorisations in the Katso service in addition to the Master User.

If you are managing affairs on behalf of a corporate entity, you are authorised to use all MyTax activities and to see all information available in MyTax.

If you are managing affairs on behalf of an individual or a self-employed person, all MyTax activities are available to you (including submittal of bank account numbers), but

  • the balance that you see in MyTax does not contain information about gift tax
  • you cannot view more detailed information on inheritance and gift tax, such as decisions or information requests. Details about inheritance and gift tax are, however, displayed in the summary. The details are displayed even if the summary does not contain any self-assessed taxes. Furthermore, payment details relating to inheritance and gift tax may be included in information on the use of payments, as well as in letters relating to payments and their use.

You can read letters published in MyTax about for example taxpayer registration, tax audits and payments. You can also receive emails whenever there are notes and reminders about overdue payments or about new messages and letters in MyTax.

 

This role is intended for an employee or an accountant that manages the tax affairs of a company.

(Former Tax Account role)

If you are managing affairs on behalf of a corporate entity, you are authorised to use all MyTax activities and to see all information available in MyTax.

If you are managing affairs on behalf of an individual, all MyTax activities are available to you (including submittal of bank account numbers), but

  • the balance that you see in MyTax does not contain information about gift tax
  • you cannot view more detailed information on inheritance and gift tax, such as decisions or information requests. Details about inheritance and gift tax are, however, displayed in the summary. The details are displayed even if the summary does not contain any self-assessed taxes. Furthermore, payment details relating to inheritance and gift tax may be included in information on the use of payments, as well as in letters relating to payments and their use.You can read letters published in MyTax about for example taxpayer registration, tax audits and payments.

You can also receive emails whenever there are notes and reminders about overdue payments or about new messages and letters in MyTax.

 

This role is intended for an employee or an accountant that files self-assessed taxes for a company.

(Former Periodic Tax Return Filer role)

You can file self-assessed tax returns, view information relating to returns and respond to information requests about them. In addition, you can change the length of a tax period, submit a notice on municipalities’ VAT refund and request a certificate of VAT liability.

You will receive an e-mail notification of messages you have received in MyTax. You will not receive notifications on other matters, such as overdue tax returns or payments.

Balance details and other MyTax activities are not available to you.

(As of 2010, these roles have not been applicable to new authorisations.)

You can file self-assessed tax returns, view information relating to returns and respond to information requests about them. In addition, you can change the length of a tax period, submit a notice on municipalities’ VAT refund and request a certificate of VAT liability.

You will receive an e-mail notification of messages you have received in MyTax. You will not receive notifications on other matters, such as overdue tax returns or payments.

Balance details and other MyTax activities are not available to you.

(As of 2010, these roles have not been applicable to new authorisations.)

You can file self-assessed tax returns, view information relating to returns and respond to information requests about them. In addition, you can change the length of a tax period, submit a notice on municipalities’ VAT refund and request a certificate of VAT liability.

You will receive an e-mail notification of messages you have received in MyTax. You will not receive notifications on other matters, such as overdue tax returns or payments.

Balance details and other MyTax activities are not available to you.

This role is intended for an employee or an accountant that manages the company’s tax affairs related to filing corporate income tax returns.

You can file corporate income tax returns, view data related to the returns and reply to information requests related to the returns.  In addition, you can apply for prepayment and see the prepayment amount, change the company’s line of business and request extended time for filing a corporate income tax return.

You will receive an e-mail notification of messages you have received in MyTax. You will not receive notifications on other matters, such as overdue tax returns or payments.

Balance details and other MyTax activities are not available to you.

Videos and information boxes for guidance

On the MyTax login page you can find videos with instructions for filing returns, paying taxes and correcting returns.  After logging in to the service, you can get help by clicking on the information icons.

Use of MyTax and customer service

In order for us to be able to help you use the service, our customer service agents can view your information in MyTax.  Unfinished information will not be used in your tax assessment.

Activities in MyTax will be recorded. The recording can, if necessary, be used to identify the causes of system errors and problems and also to enhance the quality of the service.  The recordings will be deleted after 30 days.

The Tax Administration stores documents in MyTax for as long as this is required for taxation purposes. If you need documents for other purposes, save them on your computer or archive them in some other way.

Non-disclosure taxpayer: please note that the customer service agent can view your details covered by non-disclosure. At the Tax Administration, only separately authorized employees can view non-disclosure details. However, please note that service agents can in special circumstances see your non-disclosure contact information in a recording. Customer service agents are Tax Administration personnel and they are bound by the confidentiality requirement.

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