(1) A person may be appointed as the payment nominee and the correspondence nominee of the same person.
(2) The Secretary must not appoint a nominee for a person (the proposed principal ) under section 123B or 123C except:
(a) with the written consent of the person to be appointed; and
(b) after taking into consideration the wishes (if any) of the proposed principal regarding the making of such an appointment.
(3) The Secretary must cause a copy of an appointment under section 123B or 123C to be given to:
(a) the nominee; and
(b) the principal.
(4) The Secretary must not appoint a payment nominee for a person who is the holder of a concession card but is not receiving a social security payment.