The answer is found in the Supreme Court Rules (Amendment No 416) 2009 under the Supreme Court Act 1970 Schedule 1:
4 Notice to eligible persons
(1) The plaintiff applying for a
family provision order under Chapter 3 (of the Succession Act 2006 (NSW)) must,
unless he or she is the administrator, when serving the application, also serve
a notice on the administrator showing who, in his or her opinion, is or may be
an eligible person (designating as a person under legal incapacity any eligible
person who, in his or her opinion, is or may be a person under legal
(2) The administrator must serve a notice in accordance with subclause (3) on the following:
(a) the surviving spouse (if any) of the deceased person,
(b) every child of the deceased person,
(c) every person not mentioned in paragraph (a) or (b) who is entitled to share in the distributable estate of the deceased person,
(d) any person mentioned by the plaintiff in his or her notice served under subclause (1) and not mentioned in paragraph (a), (b) or (c),
(e) any other person who, in his or her opinion, is or may be an eligible person.
(3) The notice must set out the following:
The plaintiff has applied to the Court under the Succession Act 2006 for a family provision order in respect of the estate of (name) deceased who died on (date). If you are entitled to, and wish to apply for, an order for provision for you out of that estate, you must apply within a period prescribed by the Succession Act 2006 or allowed by the Court.
If you do not, before the Court deals with the plaintiff’s application, apply for an order for provision for you out of that estate, the Court may deal with the plaintiff’s application without regard to any possible application by you.