Texas Transportation Code - TRANSP § 551A.072. Safety Apparel Required

(a) A person may not operate, ride, or be carried on an off-highway vehicle on public off-highway vehicle land, a beach, or a highway unless the person wears:

(b) Subsections (a)(1) and (2) do not apply to a motor vehicle that has four wheels, is equipped with bench or bucket seats and seat belts, and includes a roll bar or roll cage construction to reduce the risk of injury to an occupant of the vehicle in case of vehicle rollover.

(c) This section does not apply to a motor vehicle that is in the process of being loaded into or unloaded from a trailer or another vehicle used to transport the vehicle.