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. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. Credit unions encourage savings of citizens, setting compensation payments (interest) on savings and provide from these savings loans to their members. Principles of cooperative democracy and interaction were adequate to the purposes for which people joined 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. 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. Historically, credit unions have grown from the experience of credit cooperatives, but they took the experience of organizations of mutual aid of citizens by moving methods of social self-protection from labor and toward consumption.