description is not a false trade description, as the case may be, unless the goods contrary is expressed in writing signed by the seller or on his behalf and delivered at the time of the sale to and accepted by the purchaser. 18. No person shall sell in any bottle, to which or to the stopper of which have been indelibly applied words indicating that the bottle is the property of a named person, goods resembling or so nearly resembling goods manufactured or produced for sale in any such bottle by such named person as to be likely to deceive. Sale of goods in bottles marked with owner's name 19. (1) The Minister may appoint any person to be an inspector for the Appointment of inspectors and purposes of this Act. powers of police officers and inspectors (2) Any inspector who produces a certificate of his appointment under subsection (1) or any police officer may, at any time during the hours when the premises are open for business, enter any premises on which he has reason to believe there are kept for sale any goods, whether imported into or manufactured in Zambia, and, on giving a receipt therefor, may, without payment, take and remove samples of any such goods for examination or inspection or for any other purpose relating to the provisions of this Act. (3) A police officer or inspector taking a sample in terms of subsection (2) shall forthwith notify the person on whose premises the sample is taken, or his agent, that the sample is taken in pursuance of the provisions of this Act and shall, if required so to do at the time of giving such notification, select a second like sample or, if practicable, divide the sample into two parts and mark and seal and leave with that person or agent either the second sample or one part of the divided sample. (4) Any sample taken by a police officer or inspector under the powers conferred upon him by subsection (3) shall, whenever possible, be returned by him to the person from whose premises it was removed or to his agent. (5) No person shall obstruct a police officer or inspector in the execution of the powers conferred upon such officer or such inspector