Tex. Insurance Code § 1201.064: COVERAGE FOR CHILD OF SPOUSE IN INDIVIDUAL OR GROUP POLICY.

An individual or group accident and health insurance policy that provides coverage for a child of an insured or group member may not:

(1) set a premium for a child that is different from the premium for other children because the child is the natural or adopted child of the spouse of the insured or group member;

(2) exclude a child described by Subdivision (1) from coverage; or

(3) discontinue coverage of a child described by Subdivision (1).

Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.