Whenever any court, or the clerk thereof, shall appoint any banking institution, nonbanking subsidiary of a bank holding company, nonbanking subsidiary of a bank or entity jointly owned by federally insured depository institutions exercising trust powers under section fourteen of this article, as trustee, receiver, assignee, guardian, executor, administrator, special commissioner, curator, committee, or in any other fiduciary capacity to perform any duty or execute any trust, the chairman of the board, the president, vice president, secretary, treasurer, trust officer or assistant trust officer of such appointee shall take the oath and make the affirmation required by law of any such fiduciary, before the court or the clerk thereof, or before any other officer authorized to administer oaths.