It is regulated by the Polish Financial Supervision Authority.

Kluza was the first President of the Polish Financial Supervision Authority (September 2006 - November 2011).

Former Minister of Labour and Social Policy (2006-2007) in the Polish Government, Chairman of the Trilateral Social-Economic Commission and member of the Polish Financial Supervision Authority (2006-2007).

The Polish banking sector, the largest in central and eastern Europe as well as the largest and the most highly developed sector of the country's financial markets, is regulated by the Polish Financial Supervision Authority.