New South Wales Consolidated Regulations

UNIFORM CIVIL PROCEDURE RULES 2005 - REG 7.7

7.7 Judgments and orders bind represented persons in estate and trust property proceedings

(cf SCR Part 8, rule 14)
A judgment or order made in proceedings in which a party has, by an order under rule 7.6, been appointed to represent a number of persons, or members of a class of persons, binds all such persons, and all members of such a class, as if they had been parties to the proceedings.