18.—(1) Prior to commencement of construction of the lorry park a management plan for its operation (which is to be for the benefit only of occupiers of the authorised development unless otherwise agreed by the undertaker) must be submitted to and approved by the relevant planning authority. The management plan must include details (approved under requirements 3 (phases of development), 6 and 7 (detailed design approval)) of the phases of its construction; the layout and landscaping of the parking areas; any noise mitigation measures; and details of a register to be kept to record all vehicles using the lorry park. The lorry park must subsequently be retained for the duration of the use of the authorised development and must be laid out and operated in accordance with the approved management plan as approved from time to time.
(2) The management plan may be subject to alteration by prior approval in writing by the relevant planning authority.