315Third parties—disclosure

315 Third parties—disclosure (1) A third party to a proceeding may serve on the defendant who included the third party a notice requiring the defendant to disclose discoverable documents for the proceeding only if the third party files a notice of intention to respond or defence. (2) A third party to a proceeding may serve on a plaintiff a notice requiring the plaintiff to disclose discoverable documents for the proceeding only if the third party denies the plaintiff’s allegations against the defendant or alleges another matter showing the plaintiff’s claim against the defendant is not maintainable. (3) However, disclosure may be ordered by the court. disclosure order.