(1) An approved warehousekeeper of an approved warehouse shall, in respect of such warehouse -
(a) provide and maintain such appliances as are, in the opinion of the Commissioners, necessary to enable an officer to take a true and accurate account of any materials or beer;
(b) allow an officer at any time to use anything so provided and to use any other appliances in the possession of such warehousekeeper, and provide all other facilities and all assistance, as are necessary to enable such officer to take such account.
(2) An officer may, at all reasonable times, enter premises in which brewing of beer is being or is reasonably believed by the officer to be carried on or in which beer is reasonably believed by the officer to be held, stored or kept or in which any books, accounts or other documents or records relating or reasonably believed by the officer to relate to the brewing, importation, purchase, holding, storage, packaging, sale or disposal of beer are kept and may there -