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. In the U.S., credit unions have a clear organizational structure. All credit unions belong to one or the other parent credit union (there are 35 of them in the U.S.). In recent decades, many credit unions began to resort to such form of service as The main advantage of credit unions consists in transparency, controllability, governance for shareholders. 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. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members.