(1) The officer in charge of a detention centre may, in writing, appoint a member of the staff of the detention centre to be an approved staff member of the detention centre for the purposes of this Division.
(2) The officer in charge of a detention centre or an approved staff member of a detention centre may, subject to this Division:
(a) open, inspect and read letters sent to, or proposed to be sent by, a detainee in the detention centre; and
(b) open and inspect parcels sent to, or proposed to be sent by, a detainee in the detention centre.