Blanket accident and health insurance is declared to be that form of accident and health insurance covering groups of persons as enumerated in one (1) of the following subdivisions:
(1) Under a policy or contract issued to any common carrier or to any operator, owner, or lessee of a means of transportation, who or which shall be deemed the policyholder, covering a group defined as all persons or all persons of a class who may become passengers on the common carrier or such means of transportation;
(2) Under a policy or contract issued to an employer, who shall be deemed the policyholder, covering all employees, dependents, or guests, defined by reference to specified hazards incident to the activities or operations of the employer or any class of employees, dependents, or guests similarly defined;
(3) Under a policy or contract issued to a school or other institution of learning, camp, or sponsor thereof or to the head or principal thereof, who or which shall be deemed the policyholder, covering students or campers. Supervisors and employees may be included;
(4) Under a policy or contract issued in the name of any religious, charitable, recreational, educational, or civic organization, which shall be deemed the policyholder, covering participants in activities sponsored by the organization;
(5) Under a policy or contract issued to a sports team or sponsors thereof, which shall be deemed the policyholder, covering members, officials, and supervisors;
(6) Under a policy or contract issued in the name of any volunteer fire department, first aid, or other such volunteer group or agency having jurisdiction thereof, which shall be deemed the policyholder, covering all of the members of the fire department or group; or
(7) Under a policy or contract issued to cover any other risk or class of risks that, in the discretion of the Insurance Commissioner, may be properly eligible for blanket accident and health insurance. The discretion of the commissioner may be exercised on an individual risk basis or class of risks, or both.