Every Ministry of Finance (Ministerstwo Finansów) tax deadline explained in plain English — VAT, corporate tax, personal income tax, social security, and more. Covers key filing and payment dates required by the EU VAT Directive and national tax laws.
Next Poland deadline
Sep 25, 2026 · in 16 days
VAT Return — August 2026 Due
Monthly VAT return (JPK_VAT) for August 2026 due.
Add these dates to your calendar (.ics)Monthly VAT return (JPK_VAT) for December 2025 due for businesses on monthly filing.
Monthly social security (ZUS) contributions due for January.
Monthly VAT return (JPK_VAT) for November 2026 due.
Browse the main tax categories for Poland. Each category includes key forms and filing requirements.
14 deadlines in the 2026 calendar, by tax type.
Counted from the dates listed on this page. Your own filing frequency depends on turnover, registration and scheme — confirm it with Ministry of Finance (Ministerstwo Finansów).
Plain-English definitions, in case a word on a deadline is doing more work than it looks like.
Free tools that work for Poland filings.
Open any tax form in the AI Editor for step-by-step field guidance, auto-fill suggestions, and error detection before you submit.
This tax calendar is provided as a reference guide. Deadlines may change due to legislative changes or Ministry of Finance (Ministerstwo Finansów) announcements. Always verify with the {authority} website or a qualified tax professional. Ministry of Finance (Ministerstwo Finansów) website.
Before you file or pay
Why this matters: missed dates can lead to late filing charges, interest, loss of a relief or an avoidable compliance review. This page is a planning aid, not a legal determination. It was last content-reviewed on 2026-08-14; verify the live rule with Ministry of Finance (Ministerstwo Finansów) before acting.
Check the official Ministry of Finance (Ministerstwo Finansów) guidanceReview risky clauses in plain English, fix the document, and keep it moving toward signature.