16.—(1) Numbered work 2 of the authorised development is not to commence until, after consultation with the relevant planning authority, a written scheme for the management and mitigation of artificial light emissions for numbered work 2 which is in accordance with the outline lighting strategy in so far as it relates to the authorised development has been submitted to and approved by the relevant planning authority in consultation with the Brecon Beacons National Park Authority.
(2) The approved scheme for the management and mitigation of artificial light emissions must be implemented before and maintained during the operation of the relevant numbered work.