2026

Polish Tax Calendar 2026

Key tax and social-security deadlines in Poland for 2026 — VAT, PIT, CIT, ZUS.

We've gathered the core filing and payment deadlines for businesses in Poland. All dates refer to 2026 and typical taxpayers; individual obligations may differ.

VAT

VATmonthly

JPK_V7M — monthly VAT

by the 25th of each month

JPK_V7M file (records and declaration parts) together with payment of VAT for the previous month.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

VATmonthly

JPK_V7K — quarterly VAT

by the 25th monthly (records part); declaration — 25 April, 25 July, 25 October 2026, 25 January 2027

Records part filed monthly; declaration part and VAT payment due by the 25th of the month following the quarter.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

VATmonthly

VAT-UE — EC Sales List

by the 25th of the month following the transactions

Electronic summary of intra-EU transactions (goods and services).

Late filing triggers statutory interest for delay and a risk of a tax penalty.

PIT

PITmonthly

PIT-4 / PIT-8AR — payroll advances

by the 20th of each month

PIT advances withheld from salaries of employees and contractors in the previous month.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

PITmonthly

Lump-sum tax advance (PIT-28)

by the 20th of each month

Monthly lump-sum (ryczałt) advance on recorded revenue for the previous month.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

PITone-off

Annual PIT-37 / PIT-36 / PIT-28 / PIT-36L

by 30 April 2026

Annual personal income tax return for 2025 together with any tax due.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

CIT

CITone-off

CIT-8 — annual return

by 31 March 2026

Annual CIT-8 return for the tax year ending 31 December 2025 together with payment of tax due.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

ZUS

ZUSmonthly

ZUS — self-employed contributions

by the 20th of each month

Social-security and health contributions of the entrepreneur for the previous month.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

ZUSmonthly

ZUS — employee contributions

by the 15th of each month

Social-security contributions paid by the employer for employees and contractors for the previous month.

Late filing triggers statutory interest for delay and a risk of a tax penalty.

Other

Otherone-off

Financial statements to KRS

by 15 July 2026

Approved financial statements filed with the KRS registry within 15 days of approval by the shareholders' meeting (typically by 30 June).

Late filing triggers statutory interest for delay and a risk of a tax penalty.

If a deadline falls on a Saturday, Sunday or public holiday, it is postponed to the next working day.

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