Credit unions also differ from the traditional consumer cooperatives. 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. 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. Among the U.S. credit unions, there are three groups that differ in terms of assets, shareholders, and business services. Membership in the credit union forms responsible citizens and conscientious attitude to their obligations as a norm of behavior, identify the value of a decent man's reputation in the business turnover. Credit unions are financial institutions, financial cooperatives of citizens, and in this capacity they are above all associations of people, not unification of capitals, which is typical, for example, for public companies. 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.