First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. 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. Unlike banks credit unions limit their activities to a closed circle of people. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. Credit union as a consumer cooperative operates on the principles of equality of all its members. 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.