New South Wales Consolidated Regulations New South Wales Consolidated Regulations(cf SCR Part 68, rule 6)
If, in the taking of an account of debts or liabilities under an order in
proceedings relating to an estate or trust, a person who is not a party to the
proceedings makes a claim--
(a) no party (other than an executor or administrator of the estate or a trustee under the trust) is entitled to appear in relation to the claim except by leave of the Supreme Court, and
(b) the Supreme Court may direct or allow any party to appear, either in addition to or in substitution for the executors, administrators or trustees.