Power to secure attendance of witnesses
33.—(1)  A police officer who is —
(a)authorised to conduct an investigation into; or
(b)a disciplinary officer authorised to conduct disciplinary proceedings for,
any alleged service offence committed by another police officer or a special police officer, may apply to a Magistrate for a summons to secure the attendance before the police officer, as a witness, of any person who appears to be acquainted with the circumstances of the case.
(2)  Subject to subsection (3), a Magistrate may issue a summons accordingly and such witness —
(a)is bound to attend at the time and place mentioned in the summons;
(b)is bound to answer truly all questions relating to such case as may be put to him or her by the police officer mentioned in subsection (1); and
(c)must produce all documents relevant to such case.
(3)  Nothing in this section is to be construed to compel any person to disclose any matter or produce any document which would have been protected from disclosure or production (as the case may be) on the ground of privilege if the proceedings had been held in any court.