- Token generation for KSeF 2.0 will be available in the MCU by December 10, 2025.
- Taxpayers can generate KSeF 2.0 authentication tokens for the Production environment before mandatory e-invoicing starts on February 1, 2026.
- Tokens can be generated using a Trusted Profile, qualified signature, or qualified seal, and will be valid until December 31, 2026.
- KSeF 1.0 tokens are not compatible with KSeF 2.0 and will not be migrated.
- KSeF 1.0 token generation is available until the end of January 2026, but these tokens cannot be used in KSeF 2.0.
Source: sovos.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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