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Windfall Tax on Liquid Fuel Profits 2026

The new act introduces a windfall tax on entities manufacturing liquid fuels or trading them under a license for trade with foreign countries. The tax applies from March 1 to December 31, 2026.
Key points
The tax is 60% of the calculation base, which is the excess of actual revenues over hypothetical revenues calculated using a reference margin (2025 average margin increased by 20%, minimum 2%).
Applies to producers and entities trading with foreign countries: taxpayers include entities manufacturing liquid fuels and trading them under a license for trade in liquid fuels with foreign countries.
Settlement by April 30, 2027: monthly advances due by the 25th, first payment split into 4 installments from August to November 2026.
Tax is not deductible: cannot be subtracted from income for personal or corporate income tax purposes.
Revenue for state budget: all funds go to the state budget.
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Previous:
Passed House
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Status:
Sent to Constitutional Tribunal
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Additional Information
Rządowy projekt ustawy o podatku od nadzwyczajnych zysków ze zbycia paliw ciekłych osiągniętych w okresie od marca do grudnia 2026 r.
Print number: PROJEKT USTAWY 2684
Process start date: 2026-06-16