- Taxpayers are inquiring about the National e-Invoice System (KSeF) mainly by phone or email.
- There have not yet been mass individual interpretation requests about KSeF.
- In 2025, the National Tax Information (KIS) answered thousands of emails and phone calls regarding KSeF.
- A chatbot providing automatic information about KSeF was launched on the ksef.podatki.gov.pl website.
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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