Ariz. Rev. Stat. § 28-2235 – Interstate commercial fleet registration; trailers; fees

A. The application of each fleet registered pursuant to this article shall include a total fee payment of at least four dollars fifty cents for each vehicle in the fleet. The fee payment shall be submitted at the time and in the manner directed by the director and is computed as follows:
1. 1. Divide in-state miles by total fleet miles.
2. 2. Determine the total amount necessary to register each vehicle in the fleet for which registration is requested based on the applicable fees and taxes prescribed by sections 28-2003, 28-5433, 28-5471 and 28-5801.
3. 3. Multiply the sum obtained in paragraph 2 by the fraction obtained in paragraph 1.
B. In addition to all other fees, the applicant shall include a filing fee of seven dollars fifty cents with each application or supplemental application for nine or fewer vehicles, fifteen dollars for ten through twenty-four vehicles and twenty-two dollars fifty cents for twenty-five or more vehicles.
C. The applicant for proportional registration of a fleet, the nonmotor vehicles of which are operated in jurisdictions in addition to those in which the applicant's proportionally registered motor vehicles are operated, may state the nonmotor vehicles separately in the application and compute and pay the fees in accordance with the separate statement. In this application the total miles are the total miles that the nonmotor vehicles were towed by any of the applicant's motor vehicles on highways in all jurisdictions during the preceding year.