Utah Code Ann. § 41-6a-1608
(1)
(b) The hazard warning lights shall be:
(2)
(3) Subject to the provisions of Subsection (2), a farm tractor and an implement of husbandry shall be equipped with:
(4) Towed farm equipment or a towed implement of husbandry shall be equipped with lamps and reflectors as provided under this Subsection (4), if operated on a highway under the conditions specified under Subsection 41-6a-1603(1)(a).
(b)
(5)
(6)
(a) A slow-moving vehicle emblem mounted on the rear is required on:
(b) The slow-moving vehicle emblem's design, size, mounting, and position on the vehicle required under this Subsection (6), shall:
(c) A slow-moving vehicle identification emblem may not be: