(1) The Governor - General may make regulations, not inconsistent with this Act, prescribing matters:
(a) required or permitted by this Act to be prescribed; or
(b) necessary or convenient to be prescribed for carrying out or giving effect to this Act;
and, in particular:
(e) providing for exemptions from levy and for remissions of levy; and
(f) providing for the manner of payment for levy and other amounts payable to the Commonwealth under this Act; and
(g) providing for the refund (or other application) of overpayments.