4. Where an environmental impact assessment is required in relation to a regulated activity in accordance with the remaining provisions of this Part—
(a)Part 3 applies in relation to the regulated activity;
(b)the duties of the regulator under the relevant legislation in relation to an application for a regulatory approval for the regulated activity are subject to the requirements of this Part and Part 3; and
(c)unless the appropriate authority has given EIA consent—
(i)the regulator must not grant a regulatory approval in respect of the regulated activity; and
(ii)the applicant must not commence the regulated activity.