16. Where, for the purposes of the performance of his or her functions, the Director is required to appear before a court, the Director may appear in person or may be represented by—
(a) a member of the staff of the Office—
(i) who is a barrister and solicitor within the meaning of the Legal Practitioners Act 1970 ; or
(ii) who is entitled to practise in that court by virtue of section 16 of the Commonwealth Act;
(b) a person who is authorised under subsection 5 (4) of the Government Solicitors Act 1989 ; or
(c) any other person who is entitled to practise in that court.