Consent shall not be granted to development that is likely to have an impact on an Aboriginal place, or a potential Aboriginal place, or that will be carried out on an Aboriginal object, unless the consent authority has--
(a) considered a heritage impact statement explaining how the proposed development would affect the conservation of any Aboriginal object known or reasonably likely to be located at a site, or any Aboriginal place, which has been prepared in accordance with any guidelines for the time being notified to it by the Director-General of the Department of Environment and Conservation, and
(b) except where the proposed development is integrated development, notified the local Aboriginal communities (in such a way as it thinks appropriate) of its intention to do so and taken into consideration any comments received in response within 21 days after the relevant notice is sent.