2026-02-04 Single Window – unavailability of the system on February 5, 2026
Published: 04.02.2026 13:58 (Warsaw time)
Updated: 05.02.2026 08:53 (Warsaw time)
Due to scheduled maintenance work, several services will be unavailable for clients, employees of the Inspection, and KAS officers on February 5, 2026. The downtime is expected to last from 6:00 AM to 7:00 AM.