A person may take an action described in a provision of Part 3 without an approval under Part 9 for the purposes of the provision if:
(a) the action is included in a class of actions declared in a conservation agreement, in accordance with section 306A, not to require approval under Part 9 for the purposes of the provision; and
(b) the conservation agreement is in operation when the action is taken; and
(c) the action is taken in accordance with the conditions (if any) specified in the declaration.