Supreme Court Rules 1987

(1) A third party who files an appearance shall serve a defence to the statement of claim endorsed on the third party notice, within 14 days after filing the appearance.

(2) The third party may, on a ground not raised by the defendant in his defence, serve a defence to the statement of claim of the plaintiff by which he disputes the liability to the plaintiff of the defendant by whom the third party was joined.

(3) Rule 14.09 applies to a claim by a third party notice as if the claim were a proceeding commenced by writ.

(4) Where a third party files an appearance, the defendant by whom he was joined shall serve on the third party a copy of all pleadings that may from time to time be served between the plaintiff and that defendant.