12. Affidavits
(1) All affidavits filed with the Clerk shall be drawn up and signed so as to comply with the requirements of Order 37 of the Supreme Court Rules.
(2) All affidavits intended to be used on any proceeding shall, before being used, be filed with the Clerk, and any party intending to adduce as evidence an affidavit shall furnish the opposing party or parties with a copy thereof at least three days before the date fixed for hearing.