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Poland’s MoF Launches KSeF 2.0 API Testing for Mandatory E-Invoicing System Compliance

    Poland’s Ministry of Finance has launched the KSeF 2.0 API test environment for e-invoicing. The test environment allows software providers to ensure compliance with the KSeF 2.0 system. The KSeF 2.0 Manual and API documentation are available for system integration preparation. Mandatory national e-invoicing will start in 2026 for large taxpayers in February and others in April.

Source: regfollower.com

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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