2(1)The Chief Inspector may arrange for such persons as he thinks fit to assist him in the discharge of any of his functions in relation to a particular case or class of case.
(2)Any person assisting the Chief Inspector under any such arrangements shall be known as an additional inspector.
(3)Any arrangements which provide for assistance by persons who are not members of the Chief Inspector’s staff shall be made on terms agreed by him with the Treasury.
(4)An additional inspector acting within the authority conferred on him by the Chief Inspector shall have all the powers of an Inspector.