Preparing Integrators for the KSeF 2.0 National e-Invoicing System Implementation

• Documentation Availability: KSeF 2.0 API documentation is now available for integrators to prepare for the system’s implementation in a test environment, emphasizing their crucial role in developing IT systems for businesses.
• Key Resources Provided: The documentation includes an OpenAPI specification, interactive guides, usage scenarios, and libraries in .NET and Java to facilitate integration and understanding of the KSeF 2.0 API’s structure and functionalities.
• Implementation Timeline: Key deadlines include open testing for integrators by September 30, 2025, a test version of the Taxpayer Application by November 2025, and the production version enabling structured invoices by February 1, 2026.

Source gov.pl

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• See also
  • E-Invoicing/Real Time Reporting – What can you find on VATupdate.com
  • Worldwide Upcoming E-Invoicing mandates, implementations and changes – Chronological
  • Collection of E-Invoicing Guides – Worldwide – VATupdate
• • Briefing / Comprehensive Guides (incl. podcasts)

• Join the Linkedin Group on Global E-Invoicing/E-Reporting/SAF-T Developments, click HERE

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