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Commercial contracts and the National e-Invoicing System (KSeF) – changes to the contractual practices of businesses

Wiewiórski Legal | January 26, 2026

National e-Invoicing System (KSeF) The National e-Invoicing System (KSeF) is a centralised system designed for issuing, sending, receiving and storing invoices. Beginning from 1 February 2026, it will gradually become mandatory for all businesses in Poland.

A DRAFT LAW IMPLEMENTING THE EQUAL PAY AND PAY TRANSPARENCY DIRECTIVE IN POLAND

Wiewiórski Legal | January 14, 2026

On 16 December 2025, the Polish Government Legislation Centre published a draft law on strengthening the enforcement of the right to equal pay for men and women for equal work or work of equal value.

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