Indiana Code Title 15. Agriculture and Animals § 15-17-17-3

Sec. 3. All hearings for the purpose of agency action shall be conducted under IC 4-21.5, unless the procedure is waived by the parties concerned after due notice of the right to a hearing under IC 4-21.5 has been given. Waiver of a hearing may be made in writing or by failure to request in writing a hearing under IC 4-21.5, within fifteen (15) days after receipt of the notice.