38-538.01. State and political subdivision vehicles; patterns and insignias; violation; classification A. The state highway engineer shall approve a uniform pattern for use in the designation of state motor vehicles. A state agency or department may use a distinctive insignia, other than the uniform pattern, on approval of the insignia by the governor. B. The governing body of each political subdivision shall approve a uniform pattern for use in designating the political subdivision motor vehicles. C. A person who knowingly places a pattern or insignia approved for use as a designation for motor vehicles of this state or a political subdivision on a motor vehicle not owned or leased by this state or a political subdivision is guilty of a class 2 misdemeanor.
Arizona Legal Code