- Poland’s National e-Invoice System (KSeF) will be implemented as scheduled, with no delays.
- The system is secure, ready, and will launch for large taxpayers (sales above PLN 200 million) on February 1, 2026.
- All other taxpayers must comply from April 1, 2026, except those with monthly invoiced sales below PLN 10,000, who join January 1, 2027.
- Only invoices count toward the PLN 10,000 threshold; consumer sales and simplified invoices up to PLN 450 are excluded.
- No penalties in 2026; sanctions begin January 1, 2027, for non-compliance. Errors can be corrected before penalties apply.
Source: fiscal-requirements.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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