Ministry of Infrastructure clarifies that mandatory KSeF implementation won’t paralyze communication offices after previous reassurances from Finance Ministry.
Previous Position from Ministry of Finance
Previously, the Ministry of Finance had taken a position assuring that the implementation of mandatory KSeF would not paralyze communication offices.
Key Guidelines from Ministry of Infrastructure
The most important guidelines come from the Ministry of Infrastructure, which were included in a letter sent on January 16, 2026, to communication departments in county offices and city offices (reference number DTD-3.4400.791.2025).
Content of the Letter
DGP (Dziennik Gazeta Prawna) has become acquainted with the content of this letter, which provides clarity on the KSeF implementation process.
KSeF and Car Registration
The article also addresses the relationship between KSeF and car registration processes, suggesting potential impacts on vehicle registration procedures.



