(1) An investigation by the Ombudsman under this Act shall be conducted otherwise than in public.

(2) Where the Ombudsman proposes to carry out an investigation under this Act into an action he shall afford -

(a) any reviewable agency concerned, and

(b) any other person who appears or, in a case where a complaint in relation to the action has been made to the Ombudsman, is alleged, to have taken or authorised the action,

an opportunity to comment on the action and, if a complaint in relation to the action has been made to the Ombudsman, on any allegations contained in the complaint.

(3) Subject to the provisions of this Act, the procedure for conducting an investigation shall be such as the Ombudsman considers appropriate in all the circumstances of the case.

(4) The Ombudsman may determine whether any person may be represented, by counsel, solicitor or otherwise, in an investigation by him under this Act.