We would like to emphasize that the use of the invoicing option in wFirma is completely voluntary - you can use any invoicing software, as long as after July 1, 2024 (for VAT taxpayers) or January 1, 2025 (for VAT-exempt taxpayers) the software will work with KSeF. It is online software supported by a web browser - there is no need to install any programs on your computer, and [...]

Due to the number of invoicing programs available, we are unfortunately unable to help you configure systems other than wFirma and Subiekt 123 to work with KSeF. The general principle of cooperation with KSeF is to generate a one-time token in the system, which, when entered into the invoicing program, allows the program to communicate directly with the KSeF system - sending issued sales invoices and downloading a confirmation [...]

The National e-Invoice System (KSeF) introduced by the Ministry of Finance is a nationwide IT system in which businesses will be required to issue and receive electronic structured invoices. The system is designed to build a unified, central register of electronic invoices, standardize files and reduce the cost of processing accounting documentation. The documents will be stored there for 10 years. KSeF - since when? The use of [...]