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Oct 9, 2026
Poland's tax authorities have adopted a stricter interpretation of self-billing approval requirements under the country's mandatory KSeF e-invoicing system, creating additional compliance obligations and potential VAT deduction risks for businesses.
Sep 16, 2026
Poland’s Ministry of Finance has announced a one-year extension to the deferral of penalties for errors involving the KSeF, moving the deadline from 31 December 2026 to 31 December 2027.
Sep 10, 2026
Poland expects its mandatory KSeF e-invoicing system to contribute to stronger VAT collection in 2027, according to the government’s draft Budget.
Jul 14, 2026
Poland's tax authority has clarified that invoices issued outside KSeF do not automatically prevent businesses from claiming the related expense as tax deductible for Corporate Income Tax (CIT) purposes.
Jul 9, 2026
Poland's tax authority has confirmed that invoices mistakenly submitted to the National e-Invoicing System (KSeF) cannot simply be ignored or deleted once the system has assigned a KSeF identification number.
Jun 16, 2026
The Polish Ministry of Finance has launched a consultation on the next phase of KSeF development, just months after mandatory e-invoicing went live for large taxpayers and most VAT-registered businesses.
Jun 2, 2026
Poland’s mandatory KSeF e-invoicing rollout is beginning to reshape VAT administration, with businesses now able to access significantly faster VAT refunds when operating through the national platform.
May 1, 2026
Poland’s Ministry of Finance has activated a new functionality within the KSeF 2.0 Taxpayer Application enabling taxpayers to report invoices they suspect are fraudulent or abusive.
Apr 14, 2026
Poland’s mandatory e-invoicing platform, KSeF, reached a pivotal milestone on 1st April, 2026, as its second rollout wave expanded coverage from approx. 4,200 large taxpayers to hundreds of thousands of businesses, effectively embedding the system across the economy.
