(1) If, after the commencement of this Part:
(a) a person or organisation proposes to carry on an activity in the Territory; or
(b) a person or organisation in relation to whom this Act applies outside Australia proposes to carry on an activity in an area of the Antarctic other than the Territory;
the person or organisation proposing to carry on the activity (the proponent of the activity ) must:
(c) make, or cause to be made, a preliminary assessment of the impact (if any) that the activity is likely to have on the environment; and
(d) give a written report of the assessment to the Minister.
(2) If:
(a) after the commencement of this Part, a change is proposed, or occurs, in an activity ( original activity ) that was being carried on immediately before the commencement of this Part; or
(b) a change is proposed, or occurs, in an activity ( original activity ) that is authorised to be carried on under this Part;
the activity as proposed to be changed, or as changed, is to be treated, for the purposes of subsection (1), as being a new activity (different from the original activity) that a person or organisation proposes to carry on.