151. (1) The Director of a children detention school may appoint in writing a member of the staff of the school to be an authorised member of the staff for the purposes of Part 4 (in this Act called an “authorised member of the staff”).

(2) An authorised member of the staff of a children detention school may perform the functions conferred on such a member of the staff of the school by Part 4.

(3) An appointment to be an authorised member of the staff of a children detention school may be revoked in writing by the Director of the school.