Utah Code Ann. § 41-6a-1601
(1)
(a) A person may not operate or move and an owner may not cause or knowingly permit to be operated or moved on a highway a vehicle or combination of vehicles which:
(2)
(b) The rules under Subsection (2)(a):
(v) may provide standards and specifications applicable to lighting equipment on school buses consistent with:
(c) The following standards and specifications for vehicle equipment are adopted:
(3) Nothing in this chapter or the rules made by the department prohibit:
(4) Except as specifically made applicable, the provisions of this chapter and rules of the department with respect to equipment required on vehicles do not apply to:
(h) off-highway vehicles registered under Section 41-22-3 either:
(6)
(a)
(b) The department: