Membership in the credit union is voluntary and is open to all citizens bound by with joint work or residence, who wished to create a credit union to use its services and are willing to take on relevant commitments and responsibilities. To get a loan in the credit union a shareholder must be not only a formally adopted there, but necessary pay in cash contributions, the amount and order of payment of which approved by the General Assembly and fixed by the charter. Credit unions attract people in the first place by the opportunity to get cash loan (credit) - quickly and relatively inexpensively. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. 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. Contributions from of shareholders in credit unions in no way can be considered as borrowed funds, they come from the shareholders and for the shareholders and can not be used to provide services to third parties. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations.