Ind. Code § 8-15.7-7-2

Sec. 2. An operator or any other person purchasing tangible personal property for incorporation into or improvement of a structure or facility constituting or becoming part of the land included in a project is entitled to the exemption from gross retail tax and use tax provided under IC 6-2.5-4-9(c) and IC 6-2.5-3-2(c), respectively, with respect to that tangible personal property.