2025-12-17 ZEFIR2 - difficulties in submitting tax declarations and requests on December 18, 2025.

Published: 17.12.2025 11:18 (Warsaw time)

Updated: 19.12.2025 12:00 (Warsaw time)

The ZEFIR2 system will be unavailable on December 18, 2025, 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 time.

Unavailability starts on December 18, 2025, at 16:00.
Unavailability ends on December 18, 2025, at 20:00.
Declarations for excise tax, gaming tax, and VAT-14 should not be submitted.
Requests for PZAS (Potwierdzenia Zapłaty Akcyzy) will also be affected.
Updates will be provided regarding any changes in the unavailability period.

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