In this subchapter:
(1) “Commercial property insurance” has the meaning assigned by § 2251.002.
(1-a) “Insurer” means an insurance company or other entity admitted to engage in business and authorized to write liability insurance or commercial property insurance in this state, including a county mutual insurance company, a Lloyd’s plan, and a reciprocal or interinsurance exchange. The term does not include a county mutual fire insurance company that writes exclusively industrial fire insurance as described by § 912.310 or a farm mutual insurance company.
(2) “Liability insurance” means:
(A) general liability insurance;
(B) professional liability insurance other than medical professional liability insurance;
(C) commercial automobile liability insurance;
(D) commercial multiperil insurance; and
(E) any other type or line of liability insurance designated by the department.