Section 67-7-212 - Permit system(1) The regulations adopted pursuant to this chapter must provide for a permit system for erecting new structures or trees, changing uses of land or structures, and substantially altering, repairing, or replacing existing structures or replacing existing trees within the airport affected area.(2) A permit may not be granted that would allow the establishment of an airport hazard or that would allow a nonconforming use, structure, or tree to become a greater hazard to air navigation than it was on the effective date of the designation of the airport affected area and the regulations adopted to protect the airport affected area.(3) A permit granted pursuant to this chapter may require the owner of a structure or tree to allow the governing body, at the owner's expense, to install, operate, and maintain the lights and markers necessary to warn pilots of the presence of an airport hazard.En. Sec. 14, Ch. 300, L. 2005.