(1) The Bank may, in writing -
(a) authorise a person as an authorised officer, and
(b) revoke such an authorisation.
(2) The appointment of an authorised officer may be for a specified period or indefinite.
(3) The Bank shall furnish an authorised officer with a certificate of his or her appointment as an authorised officer.
(4) The appointment of a person as an authorised officer ceases -
(a) if the Bank revokes the appointment, at the time of revocation,
(b) if the person dies, at the time of his or her death,
(c) if the appointment is for a specified period, at the end of that period, or
(d) if the person is, when appointed, an officer of the Bank, and the person ceases to be such an officer, when he or she so ceases.