s 123 Offences in relation to warranties and certificates of analysis.
(1) If a defendant in any such proceedings as are mentioned in section 122(1) of this Act wilfully applies to any substance or article— (a) a warranty given in relation to a different substance or article, or (b) a certificate issued under ... paragraph 19 of Schedule 3 to this Act, which relates to a sample of a different substance or article, he shall be guilty of an offence. (2) A person who, in respect of any substance or article sold by him in respect of which a warranty might be pleaded under section 122 of this Act, gives to the purchaser a false warranty in writing shall be guilty of an offence, unless he proves that when he gave the warranty he had reason to believe that the statement or description contained in it was accurate. (3) Where the defendant in any such proceedings as are mentioned in section 122(1) of this Act relies successfully on a warranty given to him or to his employer, any proceedings for an offence under subsection (2) of this section in respect of the warranty may, at the option of the prosecutor, be taken either before a court having jurisdiction in the place where a sample of the substance or article to which the warranty relates was procured, or before a court having jurisdiction in the place where the warranty was given. (4) Any person guilty of an offence under this section shall be liable— (a) on summary conviction, to a fine not exceeding £400; (b) on conviction on indictment, to a fine or to imprisonment for a term not exceeding two years or to both.