Tex. Transp. Code § 547.334
(a) In lieu of the multiple-beam lighting equipment required by Section 547.333, a headlamp system that provides a single distribution of light and meets the requirements of Subsection (b) is permitted for:
(b) The headlamp system specified by Subsection (a) shall:
(2) be aimed so that no part of the high-intensity portion of the lamp projects a beam:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.