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Terms of Service

Terms of Service of the "Fast KSeF" Service

1. General Provisions​

  • The Fast KSeF service (hereinafter referred to as the "Service") is an IT tool designed to facilitate interaction with the National e-Invoice System (KSeF).
  • The Operator of the Service is Sci Software SÅ‚awomir Cichy.
  • Use of the Service requires acceptance of these Terms of Service. Logging into the Service (via Google, Microsoft, or a local account) is equivalent to confirming that you have read and accepted these Terms.

2. Environment Types and User Responsibility​

  • The Service provides access to three KSeF environments: Test, Demo, and Prod (production).
  • Mandatory Condition: The User agrees to conduct full testing of invoice issuance correctness in the Test or Demo environment before proceeding to issue invoices in the Production environment.
  • The User bears full and exclusive responsibility for the content, substantive correctness, and tax-legal consequences of invoices sent to the KSeF system.
  • The Operator is not responsible for:
    • Tax settlement errors resulting from the User incorrectly filling in invoice fields.
    • Rejection of invoices by the Ministry of Finance system for reasons attributable to the User or government system outages.
    • The User's lack of knowledge regarding tax law regulations.

3. Business Model and Service Access​

  • Currently, access to the Service is free of charge.
  • The Operator reserves the right to change the business model after 12 months from the Service launch date (pilot period). After this time, the Operator will decide to:
    1. Continue providing the service for free.
    2. Introduce paid subscription plans (to cover infrastructure maintenance costs).
    3. Terminate the service in the event of insufficient market interest.
  • Users will be informed of planned changes to the payment model or service termination 30 days in advance via email.

4. Marketing Consents and Advertisements​

  • The free nature of the service is directly linked to the acceptance of displayed advertising content.
  • The User consents to:
    • The display of advertisements within the Service interface.
    • Receiving commercial information electronically (to the email address used for login) regarding the Operator's own products and those of Trusted Partners.
    • The processing of activity data within the Service to personalize displayed advertising content.
  • Withdrawing marketing consents may require switching to a paid subscription plan or deleting the account.

5. Security and Logging In​

  • The Service enables logging in via external providers (Google, Microsoft). The Operator does not store passwords for these services.
  • The User is responsible for the security of their access data and for the authorization of KSeF access tokens (qualified signatures, seals, Ministry of Finance tokens).

6. Personal Data​

  • The rules for processing personal data are described in a separate document — Privacy Policy.

7. Final Provisions​

  • The Operator reserves the right to change these Terms of Service. Users will be informed of any changes 14 days in advance via email.
  • For matters not covered by these Terms, the provisions of Polish law shall apply.
  • These Terms of Service come into effect on the day of publication.
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