As used in this act:
a. "Policy" or "policy form" means any policy, contract, certificate, or agreement of life or health insurance, including credit life insurance and credit health insurance, or annuity, delivered or issued for delivery in this State by any company subject to this act; any certificate, contract, or policy issued by a fraternal benefit society; and any certificate issued pursuant to a group insurance policy delivered or issued for delivery in this State.
b. "Company" or "insurer" means any life or health insurance company, fraternal benefit society, nonprofit health service corporation, nonprofit hospital service corporation, nonprofit medical service corporation, nonprofit dental service corporation, mutual benefit association, and all similar type organizations.
c. "Commissioner" means the Commissioner of Insurance.