Historically, credit unions were preceded by widespread development of credit cooperation in many countries of Europe and America. Representative organization, leading the coordination work in the field of development of both global and national credit union movement is the World Council of Credit Unions (WOCCU) established in 1971 (headquartered in Madison, USA). To reduce the risk of default on loans members of the credit union shall the joint guarantee. 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. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. The supreme body of the World Council of Credit Unions is the Assembly, which elects the president and the board of directors of WOCCU. To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity.