This chapter applies to contested case hearings that the Secretary is required to initiate by: Statute; Constitution; or A regulation that expressly or by clear implication requires a hearing to be held in accordance with the Administrative Procedure Act and this chapter. This chapter does not apply to conferences, investigations, or to proceedings at which the general public has been assembled to provide comments and opinions on a permit or license proposed to be issued by the Department. These procedures are intended to supplement the procedures required by law. If the provisions of this chapter conflict with a statute or regulation concerning a specific type of contested case, the more specific statute or regulation controls as to the issue in conflict. If a conflict occurs between this chapter and the Administrative Procedure Act, the Administrative Procedure Act controls.