18. (1) The scheme administrator may, with the consent of the Minister, appoint such and so many persons as he or she considers appropriate to be an authorised officer or authorised officers for the purposes of this Act.

(2) A person appointed to be an authorised officer under this section shall on his or her appointment be furnished with a warrant of his or her appointment, and when exercising a power conferred by this Act shall, if requested by any person affected thereby, produce such warrant to that person for inspection.

(3) An appointment under this section shall cease—

(a) if the scheme administrator revokes the appointment,

(b) if the appointment is for a fixed period, on the expiry of that period, or

(c) if the person appointed is a member of staff of the scheme administrator, when that person ceases to be a member of the staff of the scheme administrator.