Poland tax & financial deadlines
KAS business obligations: CIT, VAT and withholding.
This information is provided for general planning and reference only. Tax obligations and deadlines can depend on taxpayer status, fiscal year, reporting period and other circumstances. Dates shown on Wait Until are indicative only and may be subject to change, extensions or jurisdiction-specific rules. Wait Until, its parents, subsidiaries and affiliates do not accept responsibility for any loss, penalty, interest, filing failure or other consequence arising from reliance on the information or any error or omission in the deadlines shown. Final confirmation of all applicable deadlines must be obtained from the relevant tax authority or a qualified tax adviser.
Upcoming deadlines
Depends on your own dates or a set rule
These follow your financial year, reporting period, payment date or a business-day rule, so no single calendar date is shown.
Annual corporate tax return
CIT-8File & payBy the end of the 3rd month after the tax year (31 March for calendar-year companies).
Annual CIT return and payment.
Applies to: Legal persons and limited / limited joint-stock partnerships
Authority: Krajowa Administracja Skarbowa (KAS)biznes.gov.pl — Podatek CITLast checked Sunday 4 October 2026