If you are an operator of trade or business (T:mi), an agricultural/forestry operator, select Manage your tax matters in MyTax. When you start with Manage your tax matters, you can access all your tax affairs. Read more: New in MyTax
An English-language version of this guidance is not yet available but will be released soon.
Finnish version: Rakentamiseen liittyvä tiedonantovelvollisuus