Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. Like any financial institution, credit unions have the financial resources. 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. 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. To reduce the risk of default on loans members of the credit union shall the joint guarantee. 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. 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. Credit unions base their activities on savings of shareholders, their shares and savings contributions, which make up the fund of mutual financial assistance - a source of cash loans to shareholders. A credit union on its own initiative order is created by citizens (individuals) to solve their financial problems that they could not solve in other financial institutions.