Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). In the U.S. credit unions timely and full repayment of loans is a common phenomenon. Unpaid and delinquent loans are not more than 3% of their amount. Income received by the credit union shall be distributed among the shareholders or spent for the depreciation of services, that is, are the most effective means of meeting the needs of shareholders. 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. The relationship of shareholders with credit union are not client-based, they are co-operative, based on different principles and standards, in particular, on the principles of the law of obligations. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. Credit union as a consumer cooperative operates on the principles of equality of all its members.