- KSeF is a teleinformatics system used for issuing, receiving, storing, accessing, and marking structured invoices.
- Invoices must be issued no later than the 15th day of the month following the month of supply or service.
- Special deadlines apply for certain types of services, such as construction services or delivery of printed books, newspapers, and magazines.
- In some cases, invoices must be issued within specific timeframes, such as within 30 days of service execution or within 7 days of specified return dates.
- Invoices for certain services are issued after the payment deadline.
- Starting from July 1, 2024, taxpayers will be required to issue structured invoices.
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.
