The difference between credit unions and banks is clearly is apparent when comparing the structure of assets and liabilities of credit unions and banks. The value of credit unions is not limited to the role of the economic agent - they are an important element of the social structure and a factor of social stability and progress. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. 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.