.08 Operating Associations.

Every taxicab shall be operated as a unit of an effective operating group of sufficient number and equipped with communication facilities for rendering satisfactory call service, unless expressly exempted by the Public Service Commission. Owners of small fleets or single taxicabs shall operate as members of a satisfactory operating association and the association shall be equipped with adequate call facilities, so located as to serve all parts of the jurisdiction, as the case may be, and to make possible the effective direction and supervision of call service.