Ind. Code § 6-4.1-4-7
(a) Except as otherwise provided in section 0.5 of this chapter, the personal representative of a nonresident decedent's estate or the trustee or transferee of property transferred by the decedent shall file an inheritance tax return with the department of state revenue within nine (9) months after the date of the decedent's death. The person filing the return shall file it under oath on the forms prescribed by the department of state revenue. The return shall:
(b) If the decedent died testate, the person filing the return shall attach a copy of the decedent's will to the return.
As added by Acts 1976, P.L.18, SEC.1. Amended by Acts 1977(ss), P.L.6, SEC.6; Acts 1980, P.L.57, SEC.10; P.L.67-1988, SEC.2; P.L.252-2001, SEC.4; P.L.6-2010, SEC.3.