Ind. Code § 6-4.1-4-5
The appropriate probate court may order the removal of the personal representative of a resident decedent's estate and appoint a successor to take the removed personal representative's place if:
(2) the personal representative fails to file an inheritance tax return on or before the date fixed by the court under section 4 of this chapter.
As added by Acts 1976, P.L.18, SEC.1.