Indiana Code Title 8. Utilities and Transportation § 8-1-2-34.5

Sec. 34.5. (a) The Commission shall establish reasonable rules and regulations to govern the relations between public utilities and any or all classes of their customers.  Those rules and regulations shall cover the following subjects:

(b) Notwithstanding IC 8-1-2-54, the commission may investigate and enter orders on complaints filed by individual customers arising under this section.  The commission may establish an appeals division to act on its own behalf regarding individual customer complaints.  The decision of the division shall be binding on all parties to the complaint.  The commission shall review decisions of the appeals division upon timely request by an affected party.

(c) This section does not invalidate any rule or regulation adopted by the commission before July 1, 1979, to govern the relations between public utilities and their consumers if the rule or regulation is consistent with this section.