28-5705. Vehicle registration Before registering a road tractor, truck tractor, truck having more than two axles or passenger carrying vehicle and before issuing a license pursuant to chapter 7 of this title, the registering or licensing official shall determine from the applicant whether or not a motor vehicle sought to be registered or in connection with which the license is sought is propelled by a fuel the use of which is subject to the use fuel tax imposed by article 1 of this chapter.
Arizona Legal Code