56. (1) Funds not immediately required for the purposes of a Territory authority may be invested—
(a) on deposit with a bank;
(b) in Territory, State or Commonwealth securities;
(c) by the Treasurer on behalf of the Territory authority; or
(d) in any other investment approved by the Treasurer.
(2) Transfers between the Territory bank account and the bank account of a Territory authority to facilitate investments may be made without appropriation.
(3) Interest received from the investment of the funds of a Territory authority remain s funds of the authority.