Michigan Compiled Laws, Chapter 259. Aviation § 259.487

Sec. 7. (1) On receiving an application for a permit, the commission shall investigate as necessary to process the application properly under this act. In an investigation under this section, the commission shall consider the safety and welfare of persons and property in the air and on the ground and that consideration must be paramount to a consideration of economic and technical factors.

(2) If, on investigation, the commission determines that a permit should not be issued or that the height or location should be other than as applied for, the commission shall notify the applicant in writing of the commission's determination. The notification may be served by delivering it personally to the applicant or by sending it by first-class mail to the applicant at the address specified in the application. The determination is final 30 days after notification of the determination is served, unless the applicant, within the 30-day period, requests in writing that a hearing be held before the commission with reference to the application.The commission shall make a hearing under this section open to the public. Any person interested may appear and be heard either in person or by counsel and may present pertinent evidence and testimony.