Indiana Code Title 8. Utilities and Transportation § 8-1-2-68

Sec. 68. Whenever, upon an investigation, the commission shall find any rates, tolls, charges, schedules, or joint rate or rates to be unjust, unreasonable, insufficient, or unjustly discriminatory, or to be preferential or otherwise in violation of any of the provisions of this chapter, the commission shall determine and by order fix just and reasonable rates, tolls, charges, schedules, or joint rates to be imposed, observed, and followed in the future in lieu of those found to be unjust, unreasonable, insufficient, or unjustly discriminatory or preferential or otherwise in violation of any of the provisions of this chapter.