Indiana Code Title 8. Utilities and Transportation § 8-21-10-11

Sec. 11. (a) If the department determines that a permit should not be issued under this chapter, the department shall notify the applicant in writing of its determination.  The notification may be served by delivering it personally to the applicant or by sending it by certified mail to the applicant at the address specified in the application.

(b) The determination shall become final fifteen (15) days after notification is served unless the applicant, within such fifteen (15) day period, requests in writing that a hearing be held before the department with reference to the application.  All such hearings shall be open to the public and shall be conducted under IC 4-21.5-3.  At the hearing, the applicant has the burden to show cause why the department should have granted the permit to erect the proposed structure.  Any interested person may appear and be heard either in person or by counsel at such hearings and may present such evidence and testimony as may be pertinent.