Indiana Code Title 36. Local Government § 36-7-4-706

(1) notify the applicant in writing;

(2) give notice of the hearing by publication in accordance with IC 5-3-1;  and

(3) provide for due notice to interested parties at least ten (10) days before the date set for the hearing.  The plan commission shall, by rule, determine who are interested parties, how notice is to be given to them, and who is required to give that notice.