Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. Income received by the credit union shall be distributed among the shareholders or spent for the depreciation of services, that is, are the most effective means of meeting the needs of shareholders. Typically new members of the credit union become citizens having suretyship or recommendations from their friends - members of the credit union. Share contributions are transferred to the credit union on the basis of membership for the whole stay of a shareholder as member of the credit union and are the basis of membership. 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. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings.