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About the site

The PRH and the Finnish Tax Administration are both responsible for the contents of the BIS website.

The layout was designed by advertising agency Zeeland, and the website usability tests were conducted by Adage Oy. Abako Oy is responsible for the technical implementation, and the website was built by using the Abako Stato 5 Portal program.

Please let us know if you notice any errors or inaccurate information on this website. You can also make suggestions for improvement. Please use our Feedback page when you send us your messages.

Compatibility with web browsers and operating systems

The website has been tested with the following common combinations of web browsers and operating systems:

  • Firefox 3 or later
  • Safari 4 or later
  • Chrome 5 or later
  • Opera 10 or later
  • IE 6 or later
  • IE 7 or later

If the pages do not load correctly, try the following:

  • empty the cache
  • close your web browser (all windows) and start again, or
  • shutdown and restart your computer.


The forms used on this site are pdf files, and you need a program, such as Adobe Reader, to read them. You can download the program for free at link in a new tab

You need the Media Player or Real Player programOpen link in a new tab to watch video files on the site. You can download the programs free of charge.

In making the contents available, every effort is made to keep the information up-to-date and accurate.

The PRH and the Tax Administration are not responsible for any expenses or damage incurred because of errors that might exist on the site.

Nor is the PRH or the Tax administration responsible for any harm caused by technical errors.

The PRH and the Tax Administration own the copyright to the texts and images published on the website.

The text materials can be used and linked freely as long as the source is acknowledged. Use of the material for commercial purposes requires prior agreement with the PRH and the Tax Administration.

Images on the front page: Shutterstock Inc.

Handling of personal data

The PRH and the Tax Administration are committed to protecting the privacy and personal data of visitors to the website, as required by the Finnish Personal Data Act. We do not collect data that would make it possible to identify individual visitors.


The website uses session cookies. A cookie is a small text file that is sent to the user's computer and stored on the computer. Cookies do not damage the user’s computer or files.

Session cookies are stored in the computer's memory during a browsing session and are deleted when the browser is closed.

Only tracking cookies (permanent cookies) that are used to identify new and returning visitors are stored.

Data collected by cookies:

  • the user’s IP address
  • time of visit
  • the pages viewed
  • browser type

The data help us to improve the functionality and contents of the website.

Most web browsers allow you to deactivate the storing of cookies.