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. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. To reduce the risk of default on loans members of the credit union shall the joint guarantee. In the credit union compensation for use of the loan (interest) is a source of compensation for savings. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. Credit unions, like today's credit unions, emerged in the 19th century in Germany as a result of crop failure and famine. Credit unions encourage the proper use of shareholders savings, developing social programs (education, health, recreation, housing, etc.). To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity.