Tex. Gov't Code § 837.002
A person's membership in the retirement system is terminated by:
Added by Acts 1985, 69th Leg., ch. 602, Sec. 1, Sept. 1, 1985. Renumbered from Vernon's Ann.Civ.St. Title 110B, Sec. 72.002 and amended by Acts 1989, 71st Leg., ch. 179, Sec. 1, eff. Sept. 1, 1989.
Acts 2013, 83rd Leg., R.S., Ch. 618 (S.B. 1459), Sec. 17, eff. September 1, 2013.