(1)This section applies where a chief officer of police is required or authorised by any Act—
(a)to appoint a person to a specified post in the relevant police force, or a specified post in the civilian staff of the relevant police force, or
(b)to designate a person as having specified duties or responsibilities.
(2)The chief officer of police may appoint or designate a person whether or not the person is already a member of staff of the police force.
(3)Subsection (2) has effect in spite of any provision to the contrary in the Act that is mentioned in subsection (1).