Typically, donor contributions to the credit unions are targeted and used in the same statutory requirements and restrictions as the Mutual Financial Aid fund as a whole. In recent decades, many credit unions began to resort to such form of service as 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). First Credit Union was savings unprofitable institution, or rather credit cooperative, providing services to its members. Credit unions perform the function of social protection in a vital for people sphere of financial services. They care about improving the financial literacy of the population, are working on the formation of their members and their employees. 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. To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity.