The Police (Conduct) Regulations 2004

Notice of investigation

9.  The investigating officer shall as soon as is practicable (without prejudicing his own or any other investigation of the matter) cause the officer concerned to be given written notice—

(a) that there is to be an investigation in to the case;

(b) of the nature of the report, complaint or allegation;

(c) informing him that he is not obliged to say anything concerning the matter, but that it may harm his defence if he does not mention when questioned or when providing a written response something which he later relies on in any subsequent proceedings under these Regulations;

(d) informing him that he may, if he so desires, make a written or oral statement concerning the matter to the investigating officer or to the appropriate authority and that if he makes such a statement it may be used in any subsequent proceedings under these Regulations;

(e) informing him that he has the right to seek advice from his staff association or any other body; and

(f) informing him that he has the right to be accompanied by a police officer, who shall not be an interested party, to any meeting, interview or hearing.