Finland Tax Agency Announces 2025 Income Tax Return Filing Deadlines, Requirements for Sole Proprietors

The Finnish Tax Administration Feb. 25 announced the 2025 individual income tax return and business income tax return filing deadlines and requirements, for sole proprietors and other specified individuals. The announcement includes that: 1) the April 1 deadline for specified individuals to review, amend, and file pre-filled returns received in MyTax, and for sole proprietors to file separate business income tax returns, regardless of whether there was any business activity in 2025; and 2) taxpayers must manually add specified types of income, such as capital gains or losses and income from social media influencer activities, and eligible deductions to pre-filled ...