(1) The Departmental Chief Executive may investigate a complaint.
(2) The Departmental Chief Executive may refer a complaint for investigation to an authority, being the Ombudsman, the Independent Commission Against Corruption, the Commissioner of Police or the Director of Public Prosecutions, if the authority agrees to the referral. Such a referral may be made whether or not the Departmental Chief Executive has begun to investigate the complaint.
(3) The Departmental Chief Executive may decide not to investigate a complaint but to authorise an investigation under section 430 in respect of a matter to which the complaint relates.