2026-01-05 ZEFIR2 - difficulties in submitting tax declarations and applications on January 8, 2026.

Published: 05.01.2026 13:46 (Warsaw time)

Updated: 15.01.2026 13:10 (Warsaw time)

The ZEFIR2 system will be unavailable on January 8, 2026, from 16:00 to 20:00, affecting the submission of various tax declarations and requests. Users are advised not to submit declarations for excise tax, gaming tax, and VAT during this period.

Unavailability starts on January 8, 2026, at 16:00.
Unavailability ends on January 8, 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 on the unavailability will be provided as necessary.

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