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Businesses and corporations
File and pay
Self-assessed taxes
Tax prepayment
Income Tax Returns
Annual Information Returns
Payments
Construction work reports
Related topics
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Transfer tax
Real estate tax
About corporate taxes
Value added tax
Being an employer
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Foreign business in Finland
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Businesses and corporations
File and pay
File and pay
Self-assessed taxes
How to pay
Late penalty charges
Correcting errors
Due dates
Tax period
Summary on tax payment status
Refunds of self-assessed taxes
Primary producers and creators of works of art
Business is terminated or the tax period is changed
Tax prepayment
How to make a prepayment
The additional prepayment
Supplementary prepayments
How is the current year’s total of prepayments calculated?
Income Tax Returns
e-File an application form for recalculation of prepayments
Making corrections to e-filed income tax returns
Form 6B in electronic format – limited liability companies; cooperative enterprises
Tax return – the self-employed
Tax return – general and limited partnerships
Annual Information Returns
When to file?
Payments
Refunds
Using a refund for unpaid taxes
Bank account numbers and reference numbers
Using a payment for different taxes
Making payments from other countries
Interest and increase are added to taxes that are overdue
Financial difficulties
Certificate of paid taxes, certificate of tax debts
Reports on construction work
Contract details
Employee details
How to make corrections to a construction report
How to copy a construction report for a new report
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