67.—(1) A procurator fiscal or any person authorised by the procurator fiscal may, for the purpose of discharging his or her public duties, visit and examine a prisoner at any reasonable time.
(2) A visit to a prisoner by a procurator fiscal or any person authorised by the procurator fiscal may take place in such area of the prison and under such conditions as the Governor may specify except that such a visit shall take place–
(a)within the sight of an officer; but
(b)outwith the hearing of any officer.