18 The Public Sector Management (General) Regulation 1996 relevantly provides:
Division 1 Preliminary
19 Definitions
In this Part:
disciplinary inquiry means an inquiry held in accordance with this Part in connection with a breach of discipline alleged to have been committed by an officer other than a chief executive officer.
the senior officer, in relation to an officer, means the senior officer in the branch or section of the Department in which the officer is employed.
Division 2 Charges and preliminary inquiries
20 Charges and institution of preliminary inquiries for alleged breaches of discipline
(1) If it appears to the appropriate Department Head or the senior officer that an officer (other than a chief executive officer) has committed a breach of discipline:
(a) the officer may be charged with the alleged breach of discipline (either orally or in writing) by the Department Head or senior officer, and if so charged, the Department Head is to institute a preliminary inquiry into the matter, or
(b) the Department Head may (without the officer being charged) institute a preliminary inquiry into the matter.
(2) The senior officer who has charged an officer with an alleged breach of discipline or who considers that an officer should be so charged must immediately report the matter to the appropriate Department Head.
(3) A person who charges an officer orally must, within 10 days after making the charge, confirm the charge in writing.
21 Appointment of person to conduct preliminary inquiry
(1) The appropriate Department Head may personally conduct a preliminary inquiry or may appoint a person to conduct the preliminary inquiry.
(2) The appropriate Department Head may so appoint any public servant, retired public servant or other person that the appropriate Department Head considers suitable to conduct the preliminary inquiry.
(3) A person who has charged an officer with a breach of discipline is not eligible to conduct the preliminary inquiry.
22 Conduct of preliminary inquiry
(1) A person conducting a preliminary inquiry must investigate the matter the subject of the inquiry.
(2) A preliminary inquiry is, subject to this Part and any direction of the appropriate Department Head, to be conducted in such manner as the person conducting the inquiry thinks fit and without legal formality.
(3) A formal hearing is not to be held before the person conducting the preliminary inquiry and witnesses are not to be called for examination or cross-examination by the officer under investigation or by any person acting on the officer's behalf.
(4) However, the person conducting a preliminary inquiry must give the officer under investigation an opportunity to make written representations or, if the person conducting the inquiry approves, oral representations concerning the matter the subject of the inquiry.
23 Report of results of preliminary inquiry
(1) The person conducting a preliminary inquiry is to prepare a written report of the results of the inquiry.
(2) If a person other than the appropriate Department Head is conducting the inquiry, the person must furnish the Department Head with the report within the time specified by the Department Head or within such further time as the Department Head may from time to time allow.
(3) The report:
(a) must set out briefly the facts on which the person who conducted the inquiry relies in reaching the conclusions set out in the report, and
(b) must recommend whether:
(i) the charge should be dismissed or no charge made (as the case requires), or
(ii) the inquiry should proceed and the officer be dealt with for a breach of discipline, and
(c) may recommend:
(i) if the officer has been charged - that the charge should be amended or further charges made, or
(ii) if the officer has not been charged - the charges that should be made.
Division 3 Action after preliminary inquiry
24 Action by Department Head after report of result of preliminary inquiry
(1) The appropriate Department Head may, after considering the report of the results of a preliminary inquiry (but without being bound by the findings or recommendations contained in the report):
(a) dismiss the charge or decide that the officer should not be charged (as the case requires), or
(b) decide to proceed with the disciplinary inquiry (and for that purpose may charge the officer or, if already charged, amend the charge or make further charges).
(2) If the appropriate Department Head decides to proceed with the disciplinary inquiry, the Department Head must:
(a) notify the officer in writing of the charge (including any amended or further charge) and of the particulars of that charge, and attach to that notice a copy of the report of the result of the preliminary inquiry, and
(b) call on the officer:
(i) to deny or admit the truth of the alleged breach of discipline, and
(ii) to show cause why the officer should not be punished for that breach of discipline,
and to do so in writing within the time stipulated in that notice to the officer.
(3) The notice must inform the officer that the officer may, in the reply to the notice, request an interview to discuss the matter in person with the Department Head.
(4) The Department Head may determine the charge without discussing the matter with the officer if:
(a) a reply to the notice is not received by the appropriate Department Head within the time stipulated in the notice, or
(b) a reply to the notice is received by the Department Head within the time stipulated in the notice but the officer does not request an interview.
(5) If a reply to the notice is received by the appropriate Department Head within the time stipulated in the notice and the officer requests an interview, the Department Head may determine the charge after duly making arrangements for the interview and, if the officer attends, after duly discussing the matter with the officer.
(6) A Department Head, in determining whether an officer has or has not committed a breach of discipline, may take into consideration only those matters disclosed at any interview with the Department Head or in any of the following documents:
(a) the report of the result of the preliminary inquiry,
(b) any reply made by the officer to the charge,
(c) the report of the result of any further inquiry instituted by the Department Head.
(7) Subclause (6) does not prevent a Department Head taking into consideration any matter of which a court is entitled to take judicial notice.
25 Interview with Department Head
(1) The appropriate Department Head is to give an officer at least 14 days' notice of the time and place at which an interview will be held under this Division to discuss the charge against the officer.
(2) The person who conducted the preliminary inquiry must, if the appropriate Department Head so directs, also attend the interview.
(3) The appropriate Department Head is not to hold a formal hearing into the charge or allow witnesses to be called for examination or cross-examination at an interview by the officer charged or by any person acting on the officer's behalf.
(4) However, the appropriate Department Head may, because of any matter arising at an interview or at any other time, institute further inquiries into the matter and consider further reports on the results of those inquiries.
(5) If further inquiries are instituted:
(a) Division 2 applies to the further inquiries, and
(b) the appropriate Department Head may determine the charge without a further interview with the officer charged.
Division 4 General
26 Observers, inspection of documents and other matters
(1) During any discussion or interview with the appropriate Department Head or other person conducting a disciplinary inquiry:
(a) the officer under investigation or charged may nominate a person (other than a practising barrister or practising solicitor) to speak on the officer's behalf if the Department Head or other person conducting the inquiry is satisfied that the officer is not able to speak effectively on his or her own behalf, and
(b) the officer is entitled to have a person of the officer's choice present as an observer, but not to take part in the discussion or interview.
(2) An officer subject to a disciplinary inquiry or any person acting on the officer's behalf may inspect the Departmental papers, correspondence, reports or other documents relating to the matter at such time as may be arranged with the appropriate Department Head or other person conducting the inquiry.
(3) The appropriate Department Head or other person conducting a disciplinary inquiry must not disclose confidential information obtained during the inquiry except for the purposes of the inquiry or any proceedings arising from the inquiry.
27 Delegation of functions by Department Head
If the appropriate Department Head has delegated the Department Head's functions to deal with a breach of discipline, a reference in this Part to the appropriate Department Head is to be read as a reference to the delegate.