- Poland launched mandatory B2B e-invoicing (KSeF) for large taxpayers (2024 turnover > PLN 200 million) from 1 February 2026.
- Invoices must be issued via KSeF; paper and PDF invoices are no longer valid for domestic B2B transactions for these businesses.
- No penalties will be imposed during 2026, but legal obligations are in force; penalties start from 1 January 2027.
- KSeF system is stable, processing over 50,000 invoices and 320,000 users at launch.
- Rollout expands to most VAT-registered businesses from 1 April 2026 and micro-entrepreneurs from 1 January 2027; businesses should prepare by integrating systems and aligning data.
Source: globalvatcompliance.com
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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