The solicitation of membership subscriptions, the acceptance of membership applications, the charging of membership fees, and the furnishing of prepaid or discounted ambulance service to subscription members and designated members of their households by either a public or private ambulance service licensed and regulated by the State Board of Health pursuant to Section 41-59-1 et seq. shall not constitute the writing of insurance and the agreement under and pursuant to which such prepaid or discounted ambulance service is provided to the subscription members and to designated members of their households shall not constitute a contract of insurance.