(1) If a third party files a notice of appearance, the third party, a plaintiff or a defendant may apply to a judge for directions.(2) On an application for directions, the judge may (a) if the liability of the third party to the defendant giving the notice is established, give judgment for the defendant; or(b) order that any claim or question stated in the third party notice be tried in a particular manner; or(c) grant the third party leave to defend the action, either alone or jointly with any defendant, or to attend and take part at the trial; or(d) make any orders and give any directions (i) as are necessary to ensure that all questions in the action are determined; and(ii) as to the extent to which the third party is to be bound by any judgment or decision in the action.(3) Any directions given under this rule may be (a) given either before or after any judgment has been entered or given for the plaintiff against the defendant; and(b) varied or rescinded.(4) The Court or a judge may set aside a third party proceeding at any time.