This dataset has been created within the framework of the European Language Resource Coordination (ELRC) Connecting Europe Facility - Automated Translation (CEF.AT) action. For further information on the project: http://lr-coordination.eu. A compendium on the Polish Social Insurance Insitution (ZUS), covering the following issues: short presentation of ZUS, its history, tasks, organizational structure, employees, Social Insurance Financing, Income and Expenditure of the Social Insurance,Fund, ZUS operational costs, International cooperation. (44 pages, available at www.zus.pl)