A.R.S. § 28-924: Motor vehicle head lamps

A. A motor vehicle other than a motorcycle, an all-terrain vehicle or a motor driven cycle shall be equipped with at least two head lamps with at least one on each side of the front of the motor vehicle. The head lamps shall comply with the requirements and limitations of this article.

B. A motorcycle, an all-terrain vehicle and a motor driven cycle shall be equipped with at least one and not more than two head lamps that comply with the requirements and limitations of this article.

C. A head lamp on a motor vehicle, including a motorcycle, an all-terrain vehicle and a motor driven cycle, shall be located at a height of not more than fifty-four inches nor less than twenty-two inches to be measured as provided in section 28-923, subsection B.