substitute
3 Service of claim
(1) The applied provisions apply in relation to a third-party claim and to the proceeding begun by the claim as if—
(a) the third-party claim were an originating application and the proceeding begun by the claim were an action; and
(b) the defendant issuing the third-party claim were a plaintiff, and the person against whom it is issued a defendant, in that action.
(2) In this rule:
"applied provisions" means—
(a) order 2 rules 18A to 18D (which are about service of originating applications); and
(b) order 10 (Service of documents in Australia); and
(c) order 12 (Service of documents outside Australia).