Final approval. In the event the application for final approval has been filed, together with all drawings, specifications and other documents in support thereof, and as required by this chapter and the official written communication of tentative approval, the Township shall, within 45 days from the date of the regular meeting or the governing body or the planning agency, whichever first reviews the application, next following the date the application is filed, grant such development plan final approval. Provided, however, that should the next regular meeting occur more than 30 days following the filing of the application, the forty-day period shall be measured from the 30th day following the day the application has been filed.