Tex. Ins. Code § 542.204
(a) Notwithstanding any other provision of this code and except as provided by Subsection (b), if an insurer is liable to an insured for a claim that is subject to a deductible payable by the insured and a third party may be liable to the insurer or the insured for the amount of the deductible, the insurer shall:
(b) An insurer is not required to take action or pay the amount of the deductible as required by Subsection (a) if, not later than the earlier of the first anniversary of the date the insured's claim is paid or the 90th day before the date the statute of limitations for a negligence action expires, the insurer:
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 2, eff. April 1, 2005.