A chief officer of police for a police area in England and Wales.
A local policing body within the meaning given by section 101(1) of the Police Act 1996.
The chief constable of the British Transport Police Force.
The chief constable of the Police Service of Scotland.
The Chief Constable of the Police Service of Northern Ireland.
A person appointed as an immigration officer under paragraph 1 of Schedule 2 to the Immigration Act 1971.