Section 321.408 - Back-up lamps1. A motor vehicle may be equipped with a back-up lamp either separately or in combination with another lamp.2. A back-up lamp shall not be continuously lighted when the motor vehicle is in forward motion.3. A person who violates this section commits a simple misdemeanor.C24, 27, 31, 35, §5050; C39, §5034.17; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.408 2010 Acts, ch 1140, §13Referred to in §321.1, 456A.12