Ariz. Rev. Stat. § 28-1104
A. The application for a special permit prescribed in section 28-1103 shall specifically describe the vehicle or vehicles and load to be operated or moved and the particular highways for which the permit to operate is requested. If the actual vehicle and load to be moved are subsequently of a lesser dimension or weight than that described on the permit, both of the following apply:
B. Subject to subsection E of this section and if the special permit is issued, the director or local authority may: