28-8470. Permit A. An airport zoning regulation adopted under this article may require that a permit be obtained before a new structure or use may be constructed, established, substantially changed, altered or repaired. B. The airport zoning regulation provided in subsection A shall also provide that before a nonconforming structure or tree may be replaced, substantially altered, repaired, rebuilt, allowed to grow higher or replanted, a permit shall be obtained from the administrative agency authorized to administer and enforce the regulation authorizing the replacement, change or repair. C. A permit shall not be granted that will allow the establishment or creation of an airport hazard or permit a nonconforming structure or tree or nonconforming use to be made or become higher or a greater hazard to air navigation than it was when the applicable regulation was adopted or than it is when an application for a permit is made. D. Except as provided in this section, all applications for permits shall be granted.
Arizona Legal Code