Tex. Gov't Code § 615.074
(b) An eligible surviving dependent who is not a minor child is entitled to purchase or continue to purchase health insurance coverage until the earlier of:
Added by Acts 1995, 74th Leg., ch. 76, Sec. 5.13(a), eff. Sept. 1, 1995.
Amended by Acts 2001, 77th Leg., ch. 1231, Sec. 42, eff. Sept. 1, 2001.
Acts 2009, 81st Leg., R.S., Ch. 55 (S.B. 872), Sec. 4, eff. May 19, 2009.
Acts 2011, 82nd Leg., R.S., Ch. 50 (S.B. 423), Sec. 6, eff. May 12, 2011.