- From July 1, 2024, the KSeF system will be mandatory for VAT taxpayers to issue invoices.
- VAT-exempt taxpayers will be required to use the KSeF system from January 1, 2025.
- A structured invoice is issued using the KSeF system with an assigned identifying number.
- Structured invoices can be issued using commercial accounting software or through free tools provided by the Ministry of Finance.
- The Ministry of Finance plans to release a mobile application for convenient and fast issuance and management of structured invoices.
- The KSeF system notifies users about the date and time of invoice issuance, rejection, and unavailability.
- The KSeF system analyzes and verifies the correctness of data in structured invoices and manages user permissions.
- Invoices should include the date of issuance and a unique identifying number.
- Structured invoices are considered issued on the day they are sent to the KSeF system.
Source: pit.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.