Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. The right to use the services of the credit union have only its members. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members.