Tex. Occ. Code § 503.351
A person licensed under this chapter may renew the license biennially if the person:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2005, 79th Leg., Ch. 561 (H.B. 1283), Sec. 20, eff. September 1, 2005.
Acts 2019, 86th Leg., R.S., Ch. 768 (H.B. 1501), Sec. 2.075, eff. September 1, 2019.