Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). Typically, donor contributions to the credit unions are targeted and used in the same statutory requirements and restrictions as the Mutual Financial Aid fund as a whole. Credit unions attract people in the first place by the opportunity to get cash loan (credit) - quickly and relatively inexpensively. To reduce the risk of default on loans members of the credit union shall the joint guarantee. A potential new member of a credit union must submit a recommendation of shareholders in which the referee becomes a warrant of a future member of the credit union. National Credit Union Insurance Fund was created by Congress in 1970 to insure deposits of credit union members in the amount of 100 thousand dollars. 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. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members.