Andrzej Duda signed the plan into effect after it was overwhelmingly approved by both houses of parliament earlier this month, state news agency PAP reported.
The package, proposed by the government and dubbed Anti-Inflation Shield 2.0, aims to reduce VAT on fuels from 23 percent to 8 percent and cut the tax on food from 5 percent to 0 percent, according to officials.
The reductions will be in force for at least six months, starting from February 1, Prime Minister Mateusz Morawiecki has told reporters.
The cuts are estimated to cost the government up to PLN 20 billion (EUR 4.3 billion).
Duda in late December signed into law a set of rules introducing a one-off cost-of-living allowance to help poorer households cope with rising energy and food prices.
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Source: PAP