On behalf of the Commonwealth, the Treasurer may enter into, vary, administer or otherwise give effect to a contract, agreement or arrangement relating, directly or indirectly, to one or more of the following:
(a) the issue, management or transfer of stock or depository interests;
(b) the trading of stock or depository interests on a financial market;
(c) services relating to one or more of the following:
(i) a registry that relates to stock or depository interests;
(ii) a clearing and settlement facility;
(iii) depository nominees.