Texas Insurance Code - INS § 843.053. Laws Relating to Restraint of Trade

(a) A health maintenance organization that contracts with a health facility or enters into an independent contractual arrangement with physicians or providers practicing individually or as a group is not, because of the contract or arrangement, considered to have entered into a conspiracy in restraint of trade in violation of Sections 15.01-15.26, Business & Commerce Code.

(b) Notwithstanding any other law, a physician who contracts with one or more physicians in the process of conducting activities that are permitted by law but that do not require a certificate of authority under this chapter is not, because of the contract, considered to have entered into a conspiracy in restraint of trade in violation of Sections 15.01-15.26, Business & Commerce Code.