Ind. Code § 6-4.1-5-8
(d) However, a person may petition the:
(2) department of state revenue;
under IC 6-4.1-7 for a rehearing on the order entered under subsection
(b) or for a reappraisal of the property interests transferred by the decedent.
As added by Acts 1976, P.L.18, SEC.1. Amended by P.L.190-2016, SEC.11; P.L.79-2017, SEC.26.