insert
(2A) Subsection (2) does not apply if the heritage council gives the planning and land authority written advice that, in the council's opinion, the development—
(a) will not diminish the heritage significance of the place or object; or
(b) is in accordance with—
(i) heritage guidelines; or
(ii) a conservation management plan approved by the council under the Heritage Act 2004
, section 61K; or
(c) is an activity described in a statement of heritage effect approved by the council under the Heritage Act 2004
, section 61H .