- KSeF becomes mandatory based on sales in 2024, not 2025
- Sales threshold for early KSeF implementation is 200 million PLN
- Mandatory KSeF invoicing starts February 1, 2026, for those exceeding the threshold
- For others, mandatory KSeF starts April 1, 2026
- Additional preparation time is given to small-scale sellers and those using cash registers
- Sales include domestic supply, exports, and intra-community supply
- Purchases like WNT, imports, and certain transactions are excluded from sales calculation
- Key dates include November 1, 2025, for offline certificate and January 1, 2026, for KSeF notification
Source: ksiegowosc.infor.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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