In recent decades, many credit unions began to resort to such form of service as When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. Until the 70's there was a proliferation of the U.S. credit unions due to the increase of their number and the number of shareholders, although it must be acknowledged that there was also and a qualitative growth. Income derived from the provision of services to its members, does not become the profit of credit union and is distributed among its members in proportion to their savings. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions.