Ind. Code § 30-4-3-34
(a) At any time during the administration of a trust, a trustee or any interested person may petition the court to determine the:
(1) heirs of:
(b) If a petition is filed under this section, the court shall fix the time for a hearing on the petition. Notice of the hearing shall be given in the following manner:
(1) Personally or by mail to persons who are named in the trust and:
(C) have;
an interest in the trust estate or any part of the trust estate as heir or through an heir of the settlor.
(c) When a hearing is held on the petition, the issues set forth in the petition under subsection (a) may be determined by:
(2) affidavit, if there are no objections.
A record shall be made of the oral evidence. The record and affidavits must be a part of the files in the trust proceeding.
(e) An act of the trustee is valid with regard to the rights and liabilities of a purchaser, a lessee, or other person who deals with the trustee for value and in good faith, if the trustee acts in:
As added by P.L.238-2005, SEC.40.