Tex. Transp. Code § 1001.002
(b) In addition to the other duties required of the Texas Department of Motor Vehicles, the department shall administer and enforce:
Added by Acts 2009, 81st Leg., R.S., Ch. 933 (H.B. 3097), Sec. 1.01, eff. September 1, 2009.
Acts 2011, 82nd Leg., R.S., Ch. 1345 (S.B. 1420), Sec. 97, eff. September 1, 2011.