70. No order of the Court or Judge affecting the property or moneys referred to or specified in any caveat, duly entered in accordance with these Rules, shall ordinarily be made on the application of any party or person, except notice of such application shall have been given to the party or person at whose instance the caveat has been entered, but the Court or Judge may, upon proof or any special circumstances, which render it desirable or necessary, and upon such terms as may seem fit, make any such order without notice to the person by whom the caveat has been entered.