New South Wales Consolidated Regulations New South Wales Consolidated Regulations(cf SCR Part 52A, rule 4(3) and (4))
(1) Except to the extent to which these rules expressly provide, a party may not join another person as a party to any proceedings for the purpose of making an application for costs against the other person.
(2) This rule does not apply--(a) if the other person would otherwise be a proper party to the proceedings, or(b) if the party joins the other person by means of a cross-claim in respect of a claim for costs against the party.