- KSeF tokens are alphanumeric authentication strings assigned to a taxpayer or authorized entity.
- They were originally expected to be phased out at the end of 2026.
- Updated KSeF manuals now state that the Finance Ministry has decided to keep this authentication method indefinitely.
- However, the relevant regulation still needs to be changed for this to officially take effect.
Source: zrozumvat.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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