Reflector required.

Iowa Code § 321.389, under MOTOR VEHICLES AND LAW OF THE ROAD.

Iowa Code § 321.389

Every new motor vehicle, trailer, or semitrailer sold and every commercial vehicle operated on a highway shall be equipped at the rear, either as a part of the rear lamp or separately, with a red reflector meeting the requirements of this chapter . [C39, § 5033.09; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.389 ] 2022 Acts, ch 1021, §71 Referred to in §321.1 , 456A.12 , 805.8A(3)(m) For applicable scheduled fine, see §805.8A , subsection 3