(1) If in any claim an order is made which might affect the rights of persons who are not parties to the claim, the court may at any time direct that a copy of any judgment or order be served on any such person.
(2) Service must be effected in accordance with Parts 5, 5A, 6 and 7 (as applicable) and the court may direct which party is to be responsible for service.
(3) The copy order or judgment must be endorsed with a notice in Form 13.
(4) The court may dispense with service of the copy order or judgment if it appears impracticable to serve that person.
(5) Any person so served, or on whom service is dispensed with —
(a) is bound by the terms of the judgment or order; and
(b) may take part in any proceedings under the judgment or order.
(6) Notwithstanding paragraph (5), any person to whom that paragraph applies may apply within 28 days to discharge, vary or add to the judgment or order.