74.      (1) The Minister may authorise in writing such and so many persons as he or she considers appropriate to perform the functions conferred on an international protection officer by or under this Act.

(2) An authorisation under this section shall cease—

(a) where the Minister revokes, under this section, the authorisation,

(b) in the case of a person who is an officer of the Minister, where the person ceases to be an officer of the Minister, or

(c) in the case of an authorisation that is for a fixed period, on the expiry of that period.

(3) The Minister may revoke an authorisation under this section.

(4) An international protection officer shall be independent in the performance of his or her functions.