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President signs amendment on mandatory KSeF invoices to February 1, 2026 – key changes ahead

  • President signed an amendment regarding mandatory KSeF
  • The deadline for mandatory issuance of structured invoices through the National e-Invoicing System (KSeF) has been moved to February 1, 2026
  • The original deadline was July 1, 2024 for active VAT taxpayers and January 1, 2025 for exempt taxpayers
  • The extension allows businesses time to adjust their systems to KSeF requirements
  • New legislation with more details on KSeF will be presented soon
  • KSeF is a catalyst for changes in tax reporting processes
  • Companies need to ensure data quality as tax authorities will have real-time access to data
  • Recommendations for businesses include implementing systems that meet KSeF requirements and streamline tax reporting processes


  • Join the Linkedin Group on Global E-Invoicing/E-Reporting/SAF-T Developments, click HERE


Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.


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