2.
—(1) An application to set aside for irregularity any proceedings, any step taken in any proceedings or any document, judgment or order therein shall not be allowed unless it is made within a reasonable time and before the party applying has taken any fresh step after becoming aware of the irregularity.
(2) An application under this Rule may be made by summons and the grounds of objection must be stated in the summons or supporting affidavit.