- The KSeF (Krajowy System e-Faktur) is a national e-invoice system in Poland.
- Users can log in to the KSeF using a Trusted Profile, qualified electronic signature, or qualified electronic seal.
- The Ministry of Finance and the National Revenue Administration are organizing online meetings to introduce the main principles of KSeF to micro-enterprises.
- E-invoices are currently allowed alongside paper invoices and existing electronic invoices, but mandatory use of structured invoices in KSeF will begin on July 1, 2024.
- VAT-exempt businesses will be required to use KSeF from January 1, 2025.
- The system has been available as an optional solution since the beginning of 2022.
- Users can connect to KSeF through integrated financial-accounting software or free tools provided by the Ministry of Finance.
- Different login methods apply for individuals and companies using the KSeF Taxpayer Application or commercial applications.
- Individuals can use a Trusted Profile or qualified electronic signature without notifying the tax office.
- Companies with a qualified electronic seal containing a tax identification number (NIP) can also use KSeF without notifying the tax office.
- If a company does not have a qualified electronic seal, they must designate an authorized individual through a notification to the tax office.
- The authorized individual can then grant themselves permissions for issuing and accessing invoices and can grant further permissions electronically within the system.
- The e-microfirma application in the e-Urzad Skarbowy will facilitate the use of KSeF for individuals running a sole proprietorship.
Source: kis.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.