2026-04-09 ZEFIR2 - disruptions in submitting tax declarations and requests on April 10, 2026.

Published: 09.04.2026 13:49 (Warsaw time)

Updated: 13.04.2026 11:03 (Warsaw time)

Due to scheduled maintenance, all services of the ZEFIR2 system will be unavailable for tax declaration submissions on April 10, 2026. This includes various taxes and requests related to excise duties.

Unavailability starts on April 10, 2026, at 19:00.
Expected unavailability ends on April 10, 2026, at 23:00.
Affected services include excise tax declarations and requests for PZAS documents.
Updates will be provided regarding any changes in the unavailability period.

View original on PUESC

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