For the purposes of section 277 of the Law, the National Authority may invest the Authority Fund—
(a) on deposit with any bank; and
(b) in securities of the Commonwealth or of a State or Territory; and
(c) in securities guaranteed by the Commonwealth or a State or Territory; and
(d) in any other manner that—to enhance the capacity of the National Authority to discharge its liabilities, costs, expenses and obligations.(i) is consistent with sound commercial practice; and(ii) minimises the probability of capital losses over a 12 month period of investment—