Ind. Code § 28-3-2-7
If any bank or trust company is acting as the administrator, coadministrator, executor, coexecutor, trustee or cotrustee of or in respect to any estate or trust or guardian of any person or estate which is being administered under the laws of this state, or has been named or designated as such in any will or other writing theretofore executed, such relation, as well as any and all other similar fiduciary relations, and all rights, privileges, duties and obligations connected therewith shall remain unimpaired, and shall continue into and in such national banking association from and as of the time of the taking effect of such merger, consolidation or conversion, irrespective of the date when any such relation shall have been created or established, and irrespective of the date of any agreement relating thereto or of the date of the death of any testator or decedent whose estate is being so administered.
IC 28-3-2-7