(1) Unless the court gives leave, a third-party notice—
(a) must not be filed by a defendant until the defendant has filed a defence; and
(b) must be filed not later than 28 days after the end of whichever of the following periods ends last:
(i) the time limited for filing the defence of the defendant who is filing the third-party notice (the prescribed period );
(ii) if the plaintiff agrees to an extension of the prescribed period—the agreed period.
Note 1 Pt 6.2 (Applications in proceedings) applies to an application for leave or directions under this rule.
Note 2 Rule 6351 (Time—extending and shortening by court order) provides for the extending of time by the court.
(2) The defendant must serve a stamped copy of an application for leave under subrule (1) to file a third-party notice on—
(a) the plaintiff; and
(b) each other active party who has filed a notice of intention to respond or defence.
Note Active party is defined in the dictionary.
(3) If the court gives leave under subrule (1) to the defendant to file a third-party notice, it may give directions about filing and serving the notice.