204 days
Poland: annual CIT-8 corporate income tax return due by 31 March
Next: 31 March 2027then 31 March 2028, 31 March 2029
All Poland-registered CIT taxpayers (sp. z o.o., S.A. and other CIT payers) with a calendar financial year.
All deadlines we track for Poland CIT-8 annual return. Each entry links to the official source and explains who is affected and what to do.
1 deadline tracked. Dates are the legally binding application dates.
Next: 31 March 2027then 31 March 2028, 31 March 2029
All Poland-registered CIT taxpayers (sp. z o.o., S.A. and other CIT payers) with a calendar financial year.