2026-03-04 ZEFIR2 - difficulties in submitting tax declarations and requests on March 5, 2026.

Published: 04.03.2026 09:12 (Warsaw time)

Updated: 10.03.2026 09:31 (Warsaw time)

Due to scheduled maintenance, all services of the ZEFIR2 system will be unavailable for submitting tax declarations and requests on March 5, 2026. The downtime is expected to start at 19:00 and end at 23:00.

Services affected include declarations for excise tax, gaming tax, and VAT-14.
Requests for excise tax documents (PZAS) will also be unavailable.
Downtime begins on March 5, 2026, at 19:00.
Expected end of downtime is March 5, 2026, at 23:00.
Updates will be provided if there are changes to the downtime schedule.

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