At the request of the developer, the Planning Board shall grant an informal review of a concept plan for a development which the developer intends to prepare and for which the developer intends to submit an application for development. The amount of any fees, in accordance with § 215-17, for such an informal review shall be a credit toward fees for review of the application for development. The developer shall not be bound by any concept plan for which review is requested, and the Planning Board shall not be bound by any such review.