Here's a (poor) image of what the prefilled form you get in the mail looks like in Finland: https://www.ts.fi/static/content/pic_5_856409_k792913_1200.jpg https

Here's a (poor) image of what the prefilled form you get in the mail looks like in Finland: https://www.ts.fi/static/content/pic_5_856409_k792913_1200.jpg https://www.ts.fi/static/content/pic_5_856409_k792913_1200.j... Top left is the form section. The orangeish part is the prefilled value and the white box next to it is for corrections. Top right is a breakdown of your finances, bottom left is a breakdown of the tax calculation and bottom right just contains some payment slips. Not sure how many people actually bother with returning the paper form these days as you can do it online as well.