Most modern credit unions represent specialized consumer cooperatives of citizens associated by the principle of social community: place of work, place of residence, profession, or any other shared interest. 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. Credit union services are available only to its shareholders. 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. 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. Unlike banks credit unions limit their activities to a closed circle of people.