Specialization of credit unions to provide financial services to its shareholders requires a particularly strict regulation of membership and acceptable activities. Cooperation between credit unions, how they would not have been named, took place always, from the moment when the movement moved outside one credit union. All the members of the credit union, regardless of gender, ethnicity, religious and political beliefs, as well as the size of the monetary share have equal rights. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations.