The Polish Ministry of Finance (MoF) has confirmed its commitment to implementing the National e-Invoicing System (KSeF), with mandatory adoption still set to begin in February 2026, despite slight delays in finalizing the legislation.
Mandatory rollout:
· Large taxpayers: Required to use KSeF starting 1 February 2026.
· All other businesses: Deadline set for 1 April 2026.
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From 1 January 2027, digitally excluded micro-businesses (those issuing invoices of up to PLN 450 and monthly sales below PLN 10,000) will be brought into scope.
Sources:
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