Indiana Code Title 8. Utilities and Transportation § 8-21-10-6

Sec. 6. (a) Upon receiving an application for a permit, the department shall make such investigation as may be necessary to properly process the application under this chapter.  The investigation shall be conducted so as to determine, in the opinion of the department, if the proposed structure erected in the proposed location would have a substantial adverse effect upon the safe and efficient use of the navigable airspace and would be a hazard to air navigation if constructed.  The department may take into consideration findings and recommendations of other governmental agencies or interested persons concerning the proposed structure;  however, such findings or recommendations are not binding on the department.  Further, the requirements of this chapter do not supersede any other law.

(b) The department must consider an application for a permit for a period of sixty (60) days before making a final determination on the permit if: