Ind. Code § 4-21.5-5-1
Except as provided in IC 22-9 and IC 22-9.5 , this chapter establishes the exclusive means for judicial review of an agency action. However, a subpoena, discovery order, or protective order issued under this article may be contested only in an action for civil enforcement under IC 4-21.5-6-2 .
As added by P.L.18-1986, SEC.1. Amended by P.L.35-1987, SEC.17; P.L.14-1994, SEC.1.