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2025
The National e-Invoice System (KSeF) is one of the largest tax digitalization projects in Poland. As early as 2026, most businesses will be required to send Structured Invoices to the Ministry of Finance system, and starting in 2027, the regulations will also apply to the smallest taxpayers. Although a change may seem purely technical, in reality it affects company operations, accounting processes, document workflows, and the responsibilities of business owners.





