12. (1) In addition to the functions conferred on the Authority by or under the other provisions of this Act, the Authority has the following functions:
(a) to administer this Act;
(b) such other functions as are conferred on the Authority by or under another law of the Territory.
(2) In the performance of his or her functions, the Authority shall have regard to the objects set out in section 3.
(3) In addition to the specific powers provided by this Act, the Authority has such powers as are necessary and convenient for the performance of his or her functions.