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. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. Typically new members of the credit union become citizens having suretyship or recommendations from their friends - members of the credit union. Credit union services are available only to its shareholders. Over 30% of the assets of credit unions are investments in government securities, certificates of deposit of banks and savings loan associations, as well as in the parent credit unions, and other risk-free investments. Income derived from the provision of services to its members, does not become the profit of credit union and is distributed among its members in proportion to their savings.