- Krajowy System e-Faktur (KSeF) will become mandatory for B2B VAT taxpayers in Poland: from February 1, 2026 for those with 2025 turnover above 200 million PLN, and from April 1, 2026 for others.
- The obligation initially covers only the issuing of sales invoices, but all entities must be able to receive invoices via KSeF from February 1, 2026.
- KSeF does not send notifications about new invoices; recipients must organize their own process for checking and downloading invoices.
- Small businesses can manually check and download invoices using the Ministry of Finance’s KSeF Taxpayer Application, while larger companies should implement automated solutions or API integrations for invoice retrieval.
- The implementation of KSeF requires significant changes in internal procedures, contracts, and regulations, and is a complex, time-consuming process.
Source: podatki.gazetaprawna.pl
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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