(1) An operator must submit an environment plan for a petroleum activity to the Minister before the operator commences the activity.(2) The environment plan (a) must be in writing or an approved form; and(b) must include the information that is specified in Division 4 in respect of an environment plan; and(c) may be submitted for one or more stages of the petroleum activity, if the operator and the Minister so agree; and(d) may relate to a specified petroleum activity in one or more identified locations specified in the plan, if the Minister so approves.