Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. Credit unions also differ from the traditional consumer cooperatives. 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. Over 30% of the assets of credit unions are investments in government securities, certificates of deposit of banks and savings loan associations, as well as in the parent credit unions, and other risk-free investments. Credit unions of the open type are still controlled by their members, but at the same time provide services to people who are not its members (external customers). In the credit union compensation for use of the loan (interest) is a source of compensation for savings. In the case of default the shareholder - individual will respond with its property and, in addition, is jointly and severally liable with the credit union's commitments.