Group health insurance may be under a policy issued to a bona fide association of employers, including a labor union, that has a constitution and bylaws and that has been organized and is maintained in good faith with at least one substantial business purpose unrelated to obtaining insurance, insuring members, employees, or employees of members of the association for the benefit of persons other than the association or its officers or trustees. For the purposes of this section, the term, employees, may include retired employees, and the term, employers, includes working owners without employees who qualify as both an employer and employee.
SDCL 58-18-3