A consent authority must not grant a resource consent for an activity (including a controlled activity) to be carried out in a protected customary rights area if the activity will, or is likely to, have adverse effects that are more than minor on the exercise of a protected customary right, unless—
(a)
the relevant protected customary rights group gives its written approval for the proposed activity; or
(b)
the activity is one to which subsection (3) applies.