- “Środy z KSeF” is a free training series for entrepreneurs, running until mid-December 2025, to prepare for mandatory use of the National e-Invoice System (KSeF).
- Over 300,000 people have participated so far; sessions are held both in-person and online every Wednesday.
- The obligation to use KSeF for invoicing starts on February 1, 2026 for large companies and April 1, 2026 for others.
- Trainings cover practical use of KSeF, including authentication, issuing/receiving invoices, and using free tools like the KSeF Mobile App and Taxpayer App.
- Detailed modules and video tutorials are available on official websites and the Ministry of Finance YouTube channel.
Source: gov.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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