16.—(1) Before commencing the enabling works and before commencing each stage of the authorised development, the undertaker must review the code of construction practice to establish whether it should be updated to reflect any new relevant construction methodology or environmental guidance and, where it is to be updated, the undertaker must seek the approval in writing of the relevant planning authority to any update of the code of construction practice.
(2) The authorised development must be undertaken in accordance with the code of construction practice.