ZEFIR2 - difficulties in submitting tax declarations and requests on January 22, 2026.

Published: 21.01.2026 09:14 (Warsaw time)

Updated: 23.01.2026 09:34 (Warsaw time)

The ZEFIR2 system will be unavailable on January 22, 2026, from 16:00 to 20:00, affecting the submission of various tax declarations and requests. Users are advised not to send declarations for excise tax, gaming tax, and VAT during this downtime.

Unavailability starts on January 22, 2026, at 16:00.
Unavailability ends on January 22, 2026, at 20:00.
Declarations affected include excise tax, gaming tax, and VAT-14.
Requests for PZAS (Potwierdzenia Zapłaty Akcyzy) will also be unavailable.
Updates will be provided regarding any changes to the downtime schedule.

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