(8) All operations in duty manufacturing warehouses shall be subject to supervision by officers. (9) Every licensee of a duty manufacturing warehouse shall, if required by the Commissioner, provide office accommodation and board and lodging to the satisfaction of the Commissioner, for any officer stationed at or visiting such warehouse for the purposes of this Act and any person providing such board and lodging shall be entitled to fair remuneration therefor. (10)The controller may give written instructions to any licensee specifying in what part of the warehouse any process in the manufacture shall be carried on and any material for use in manufacture and manufactured goods, respectively, shall be kept. (11)No licensee shall, without the written permission of the Commissioner, in a duty manufacturing warehouse carry on any business except that for which the warehouse is licensed and the premises and plant are registered. (12)No person shall, except with the written permission of the Commissioner — (a) use premises or plant required to be registered in terms of this Part for any purpose other than that detailed in such registration; (b) effect any alteration to any structure on such premises or to any such plant; (c) bring into or have in such premises any plant other than that detailed in such registration or remove any plant from such premises; or (d) place below the surface of the ground any pipe or tube for conveying any material or product in a warehouse unless such pipe or tube is enclosed in casing capable of being easily opened so that the pipe or tube is exposed to view. (13)The Commissioner may by rule prescribe the days on which, and the hours during which, any or all of the operations in a duty manufacturing warehouse (including the removal of goods) shall be carried out. (14)No distilling operation shall be commenced until the whole or any part of the distilling system or plant, as the Commissioner may require, has at the expense of the licensee been provided with fittings and requirements to permit of the insertion or affixing of customs, excise and sales duty meters, gauges, rods, locks and seals according to any regulations and to the satisfaction of the Commissioner for the purpose of securing such system or plant, and until such system or plant has been duly secured by a controller. (15)If a meter, rod, lock or fitting is tampered with or damaged, or if a pipe, cock, fastening or fitting connected with a still or vessel is pierced or damaged, the licensee shall forthwith repair or renew it to the satisfaction of the controller, or any officer may effect the repair or renewal at the expense of the licensee. (16)If any such tampering, damage or piercing has been directly or indirectly caused by the wilful act or by the neglect or with the connivance of the licensee or his employee, such