Free Tools for Issuing e-Invoices in the National e-Invoice System (KSeF)

• The Krajowy System e-Faktur (KSeF) can be used by both microenterprises and larger companies.
• Access to the system does not require special software and can be done using free tools provided by the Ministry of Finance.
• The National Tax Administration is conducting online meetings to familiarize microenterprises with the main principles of KSeF.
• Although the use of KSeF will be mandatory from July 1, 2024, it is recommended to test the system beforehand.
• Free tools are available for users of KSeF, including the Aplikacja Podatnika KSeF and e-mikrofirmy.
• The Aplikacja Podatnika KSeF is available in three environments: test, pre-production (Demo), and production.
• It is advised to start with the test version to familiarize oneself with the invoice structure and system functionalities.
• The next step is to switch to the pre-production version and involve a business partner to send and receive invoices.
• The production version allows for issuing and receiving e-invoices if business partners are already using KSeF.
• The e-mikrofirma application in the e-Urzad Skarbowy facilitates the use of KSeF for individuals conducting sole proprietorship.
• Free online meetings called “Środy z KSeF” are organized by the Ministry of Finance and the National Tax Administration to provide information about KSeF.
• The webinars cover topics such as new invoicing rules, authentication in KSeF, issuing and receiving invoices in KSeF, and free KSeF tools.
• Detailed information about the meetings can be found on the websites of respective tax administration chambers and tax offices.

Source: 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.

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