Ind. Code § 6-4.1-6-1
(b) Except as otherwise provided in this chapter, the value of a future interest in specific property equals the remainder of:
(c) Unless otherwise provided by the transferor, the inheritance tax imposed on the transfer of each of the interests is payable from the property in which the interests exist.
As added by Acts 1976, P.L.18, SEC.1. Amended by P.L.95-1989, SEC.1; P.L.190-2016, SEC.15.