23.—(1) The licence holder shall prior to the commencement of any stage of the licensed activities notify local mariners’ and fishermen’s organisations of that commencement by procuring issue of a notice to mariners; and no stage of the licensed activities may commence until such notice for that stage has been given.
(2) For the purposes of this paragraph, “notice to mariners” includes any notice to mariners issued by the Admiralty, Trinity House, Queen’s harbourmasters, government departments or harbour or pilotage authorities.