4.—(1) The senior officer may choose any of the following to act as the senior officer’s police friend—
(a)a constable;
(b)a member of the police staff; or
(c)an individual nominated by the senior officer’s staff association.
(2) But the senior officer may not choose as a police friend any individual who is otherwise involved in the conduct under investigation in accordance with these Regulations.
(3) A police friend may—
(a)advise the senior officer throughout any proceedings under these Regulations;
(b)unless the senior officer is entitled to be legally represented and chooses to be so represented, represent the senior officer at the misconduct hearing; and
(c)accompany the senior officer to any interview or hearing which forms part of any proceedings under these Regulations.
(4) The chief constable must permit any constable or member of the police staff acting as a police friend under these Regulations to use a reasonable amount of duty time for the purpose of performing the functions mentioned in paragraph (3).