Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. Borrowing rate for the credit union is a source of income to cover the administrative costs. All excess funds are returned to members in the form of dividends on savings. 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. The main advantage of credit unions consists in transparency, controllability, governance for shareholders. The right to use the services of the credit union have only its members. Credit unions encourage the proper use of shareholders savings, developing social programs (education, health, recreation, housing, etc.). 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.