【正文】 (b) any substance or ingredient has been extracted, wholly or in part or omitted therefrom and by reason of such extraction or omission, the nutritive or other beneficial properties of the food are less than those of the food in its specified state, or the food operates or may operate to the prejudice or disadvantage of the purchaser or consumer。 (d) is the product of a diseased vegetable substance。 (b) consists in whole or in part of any diseased substance or foreign matter, or is otherwise unfit for human consumption。seven days after that receipt of the request by the Director or the officer authorised by him in this particular respect, a certificate in respect of the premises or appliance shall be deemed to have been given to the proprietor, owner or occupier of the premises or the proprietor or owner of the appliance. (6) Where an order under subsection (2) has been served on the proprietor, owner or occupier of any premises, or the proprietor or owner of any appliance and a certificate in respect thereof has not subsequently been given or has not otherwise been deemed to have been given any person who (a) keeps or uses the premises or any part of the premises for the preparation, preservation, packaging, storage or sale or in the case of a vehicle, for the conveyance, distribution or sale of any food。 and (b) the appliance shall not be used in or for the preparation, preservation, packaging, handling, supplying, or serving of any food,until an authorised officer has given or otherwise deemed to have given to the proprietor, owner or occupier of the premises or the proprietor or owner of the appliance, as the case may be, a certificate in writing that the premises or appliance has been put into a condition which plies with the hygienic and sanitary requirements. (3) The proprietor, owner or occupier of any premises or the proprietor or owner of any appliance on whom an order under subsection (2) is served may at any time after the order has been served request, in writing, the Director or an officer authorised by him in this particular respect to cause the premises or appliance to be inspected by an authorised officer at a place specified in the request. (4) Where a request is so made, an authorise39。 (c) particulars of any investigation carried out by or to the knowledge of the person carrying on the business in question, for the purpose of determining whether and to what extent the substance, or any product formed when the substance is used as aforesaid, is injurious to, or in any other way affects, health。 or (b) municates any such matter to any person whomsoever for the purpose of carrying into effect the provisions of this Act,mits an offence and is liable on conviction to imprisonment for a term not exceeding three years or to fine or to both.Section 9 Power of the Director General to Obtain Particulars of Certain Food Ingredients (1) The Director General may after obtaining an approval in writing from the Minister direct any person who at the date of the direction or at any subsequent time carries on a business which includes the production, importation or use of any substance to which this Act applies to furnish to him, within such time as may be specified in such direction, such particulars as may be specified, of the position and use of any such substance sold or for sale in the course of that business or used in the preparation of food. (2) Without prejudice to the generality of subsection (1), a direction made thereunder may require the following particulars to be furnished in respect of any substance, that is to say (a) particulars of the position and chemical formula of the substance。 (f) seize and detain for such time as may be necessary any food by means of or in relation to which he believes any provision of this Act has been contravened。 (d) examine any books, documents or other records found in any premises mentioned in paragraph (a) that he believes contain any information relevant to the enforcement of this Act with respect to any food to which this Act applies and make copies thereof or take extracts there from。 (b) stop, search or detain any aircraft, ship or vehicle in which he believes on reasonable grounds that any food to which this Act applies is being conveyed and examine any such food and take samples thereof for the purposes of this Act。 sell includes offer, keep, expose for sale, transmit, convey, deliver or prepare for sale or exchange, dispose of for any consideration whatsoever, or transmit, convey or deliver in pursuance of such sale, exchange, or disposal。 preparation includes manufacture, processing and any form of treatment。 premises includes (a) any building or tent or any other structure, permanent or otherwise together with the land on which the building, tent or other structure is situated and any adjoining land used in connection therewith and any vehicle, conveyance, vessel or aircraft。 medical examination includes physical, microbiological, chemical, serological. and radiological examination, and such examination may include the taking of specimen of any body fluid, tissue or waste product for examination or analysis。 importer includes any person who, whether as owner, consignor, consignee, agent or broker, is in possession of, or is otherwise entitled to the custody or con