Tex. Fin. Code § 182.019
(a) Subject to Subsection (b), a state trust company that was exempt before September 1, 1997, may no longer operate with that prior exempt status after the earlier of:
Added by Acts 1999, 76th Leg., ch. 62, Sec. 7.16(a), eff. Sept. 1, 1999.
Acts 2015, 84th Leg., R.S., Ch. 250 (S.B. 875), Sec. 9, eff. September 1, 2015.