Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). National Credit Union Administration (NCUA) - an independent federal agency, based in Washington (State of Columbia), established by the U.S. Congress to oversee the federal credit union system. The economic basis of credit unions - finances of a household. The main objective of the credit union - to ensure financial stability of a household, to ensure the priority of their shareholders' financial interests. Is necessary that all shareholders of the credit union were members of a single community, would know each other well enough to enjoy mutual trust. Credit unions are competitors of savings institutions, adding interest on deposits of members. This applies to the shares, as well as to additional funds transferred to the account in the credit union. The supreme body of the World Council of Credit Unions is the Assembly, which elects the president and the board of directors of WOCCU. To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity. Credit union as a consumer cooperative operates on the principles of equality of all its members.