- Tax offices will be open on weekends for open days dedicated to the National e-Invoice System (KSeF), offering consultations and system testing from 9:00 to 15:00.
- Visitors can meet with staff, ask questions, test the KSeF system, and submit the ZAW-FA form to gain access to KSeF.
- The ZAW-FA form is especially for companies, foundations, and non-profits without a qualified seal, allowing them to designate authorized KSeF users.
- From January 26–30, 2026, tax office hours will be extended to 20:00, and another open day is scheduled for January 31.
- Weekly “Wednesdays with KSeF” training sessions are held nationwide, providing practical information for entrepreneurs on using the KSeF system.
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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