2026-03-25 ZEFIR2 - difficulties in submitting tax declarations and requests on March 26, 2026.
Published: 25.03.2026 09:12 (Warsaw time)
Updated: 27.03.2026 08:40 (Warsaw time)
Due to scheduled maintenance, all services of the ZEFIR2 system will be unavailable for sending tax declarations and requests on March 26, 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 such as PZAS will also be unavailable.
- Notification of any changes to the downtime will be provided through updates.