Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. Specialization of credit unions to provide financial services to its shareholders requires a particularly strict regulation of membership and acceptable activities. The difference between credit unions and banks is clearly is apparent when comparing the structure of assets and liabilities of credit unions and banks. National Credit Union Insurance Fund was created by Congress in 1970 to insure deposits of credit union members in the amount of 100 thousand dollars. Credit unions appeared in England in the 19th century. In 1844 a group of workers from Rochdale established the first cooperative. On the consumer credit market in the U.S. credit unions are on the third place after the commercial banks and finance companies and are ahead of savings institutions, not taking into account the loans on real estate. Unlike banks credit unions limit their activities to a closed circle of people.