138. (1) The relevant Minister shall, in writing, determine the terms of reference of an Inquiry.
(2) The terms of reference of an Inquiry—
(a) shall—
(i) specify the defined decision;
(ii) require the panel to assess the potential costs and benefits to the community and to the Territory of the proposal which is the subject of that decision; and
(iii) specify a reasonable period within which the panel is to report; and
(b) may require the panel—
(i) to investigate specified aspects of that proposal; or
(ii) to consider any specified report.
(3) The relevant Minister may, at the request of a panel, or on his or her own motion, by notice published in the Gazette , vary the terms of reference of the relevant Inquiry.