(a) This subchapter applies to any insurer that is required by law to hold a certificate of authority issued by the department, including:
(1) a domestic insurance company;
(2) a mutual life insurance company;
(3) a statewide mutual assessment company;
(4) a mutual insurance company other than a life insurance company operating under Chapter 883;
(5) a Lloyd's plan;
(6) a reciprocal or interinsurance exchange; and
(7) a title insurance company.
(b) This subchapter does not apply to:
(1) an insurer before the second anniversary of the date the insurer's original certificate of authority is issued; or
(2) an insurer that was paid more than $50,000 in gross premium income by policyholders during the preceding accounting year of the insurer.