21.—(1) The licence holder shall no less than six weeks prior to the transshipment of rock armouring comprised in any stage of the licensed activities submit a method statement relating to such transhipment for that stage, including details of the location of the transshipment area and barge approach routes for the delivery of rock armouring; and no stage of the licensed activities may commence until such a method statement for that stage has been approved in writing by the MMO.
(2) The licence holder shall carry out any stage of the licensed activities in accordance with the rock armouring transhipment method statement approved for that stage.