In this chapter:
(1) "Affiliate" means a person who is classified as an affiliate under Section 823.003(a).
(2) "Insurer" means an insurance company, carrier, corporation, reciprocal or interinsurance exchange, mutual, association, county mutual insurance company, Lloyd's plan, or other insurance carrier authorized to engage in the business of insurance in this state.
(3) "Managing general agent" means a person, firm, or corporation that has supervisory responsibility for the local agency and field operations of an insurer in this state or that is authorized by an insurer to accept or process on the insurer's behalf insurance policies produced and sold by other agents.