15. (1) A referring authority may provide a reference to the Commission in relation to any of the following matters:
(a) prices for regulated services;
(b) competition within a regulated industry;
(c) any other matter in relation to a regulated industry;
(d) any matter in relation to regulated industries in general;
(e) any other matter in relation to an industry, or industries in general;
(f) any matter provided for by another law of the Territory.
(2) The fact that a price direction is in force in relation to a regulated industry does not preclude a further investigation of prices in the industry, or the making of a new price direction in relation to prices in the industry.
(3) A reference to the Commission may limit the scope of the investigation and report to a particular aspect of the regulated industry, or to a particular period during which the industry has been operating, or in any other matter.
(4) A reference to the Commission may relate to a number of goods or services supplied by the same or different suppliers.
(5) A reference to the Commission may be withdrawn or amended by the referring authority at any time before the Commission has delivered its report to the person.
(6) If a reference is withdrawn or amended, the referring authority shall—
(a) give written reasons for the withdrawal or amendment to the Commission; and
(b) cause a copy of those reasons to be published in the Gazette within 28 days after they are given to the Commission.