Tex. Ins. Code § 542.004
(a) An insurer regulated under this code may not require a claimant, as a condition of settling a claim, to produce the claimant's federal income tax returns for examination or investigation by the insurer unless:
(2) the claim involves:
(b) An insurer that violates this section commits:
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 2, eff. April 1, 2005.