12. (1) The Commissioner has the following functions:
(a) investigating complaints regarding the management of the environment by the Territory or a Territory authority;
(b) conducting such investigations as may be directed by the Minister;
(c) conducting, of his or her own motion, investigations into actions of an agency where those actions would have a substantial impact on the environment of the Territory.
(2) The Commissioner is not authorised to investigate action taken by—
(a) a Judge or the Master of the Supreme Court;
(b) a Magistrate or Coroner for the Territory;
(c) a Royal Commission under the Royal Commissions Act 1991 ;
(d) a Board of Inquiry under the Inquiries Act 1991 ;
(e) a panel conducting an Inquiry under the Land (Planning and Environment) Act 1991 ; or
(f) the Ombudsman.
(3) In addition to the specific powers provided by this Act, the Commissioner has such powers as are necessary and convenient for the performance of his or her functions.