The uniqueness of credit unions is that they put together the principles and benefits of financial cooperatives, consumer cooperatives and mutual aid funds, born once by trade unions. Credit union services are available only to its shareholders. Share contributions are transferred to the credit union on the basis of membership for the whole stay of a shareholder as member of the credit union and are the basis of membership. Cooperation between credit unions, how they would not have been named, took place always, from the moment when the movement moved outside one credit union. 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. As of the January 1, 2012 the national associations and confederations unite more than 196 million members participating in the 51,013 credit unions in 100 countries. In the credit union compensation for use of the loan (interest) is a source of compensation for savings. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. 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.