(1) The Minister may appoint such and so many persons as he or she thinks proper to be deciding officers for the purposes of any provision or provisions of this Act, and every person so appointed shall be a deciding officer during the pleasure of the Minister.
(2) The Minister may appoint such and so many persons as he or she thinks proper to be designated persons for the purposes of the determination of the entitlement of any person to supplementary welfare allowance and the amount of any such allowance and the Minister may at any time terminate an appointment under this subsection whether or not the appointment was for a fixed period.
(3) An appointment as a designated person under subsection (2) shall cease -
(a) if the Minister terminates the appointment,
(b) if it is made for a fixed period, on the expiry of that period, or
(c) where the person is an officer of the Minister, if that person ceases to be an officer of the Minister.