Tex. Ins. Code § 1251.105
A group accident and health insurance policy must provide that:
(2) a statement made by the policyholder or an insured may not be used in any contest under the policy, unless a copy of the written instrument containing the statement is or has been provided to:
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.