Zakład Ubezpieczeń Społecznych

Zakład Ubezpieczeń Społecznych (Social Insurance Institution, abbreviation ZUS) is a Polish state organization responsible for social insurance matters, operating since 1934. ZUS is supervised by the Ministry of Labour and Social Policy. ZUS carries out the following tasks:

ZUS is organized into field organizational units which includes: branches, inspectorates and field offices. The national network of ZUS organizational units includes 325 units, of which 43 branch offices, 216 inspectorates and 66 local offices.

...
Wikipedia