(1) The Governor - General may, either generally or as otherwise provided by the instrument of delegation, by writing signed by the Governor - General, delegate to the Treasurer all or any of his or her powers under sections 4, 7 and 51B.
(2) The Treasurer may, either generally or as otherwise provided in the instrument of authorization, by writing signed by the Treasurer, authorize:
(a) a specified person;
(b) a person for the time being holding or performing the duties of a specified office or position in the Australian Public Service; or
(c) a person for the time being holding or performing the duties of a specified office in the Reserve Bank Service;
to exercise a power that has been delegated to the Treasurer under subsection (1).
(3) Any act or thing done:
(a) by the Treasurer in the exercise of a power delegated to the Treasurer under subsection (1); or
(b) by a person in the exercise of a power pursuant to an authorization by the Treasurer under subsection (2);
has the same force and effect as if it had been done by the Governor - General.
(4) A delegation under subsection (1) does not prevent the exercise of a power by the Governor - General.
(5) The giving of an authorization under subsection (2) does not prevent the exercise of a power by the Treasurer.