11.—(1) Subject to paragraphs (2) and (3) recording equipment, laptop computers or any other electrically or battery-operated device may be used in any part of the Office open to the public.
(2) Such equipment shall not be used in the search room without the permission of the Deputy Keeper or a designated officer.
(3) Such equipment shall not be used in the reading rooms without the permission of the Deputy Keeper or a designated officer and may only be used in areas allocated for the purpose.