Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. In recent decades, many credit unions began to resort to such form of service as Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. 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. 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). Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Unlike banks credit unions limit their activities to a closed circle of people.