Sec. 547.401.  BRAKES REQUIRED.  (a)  Except as provided by Subsection (b), a motor vehicle, trailer, semitrailer, pole trailer, or combination of those vehicles shall be equipped with brakes that comply with this chapter.
(b)  A trailer, semitrailer, or pole trailer is not required to have brakes if:
(1)  its gross weight is 4,500 pounds or less;  or
(2)  its gross weight is heavier than 4,500 pounds but not heavier than 15,000 pounds, and it is drawn at a speed of not more than 30 miles per hour.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.