http://www.legislation.gov.uk/ukpga/1964/28/section/18Agriculture and Horticulture Act 1964An Act to make provision for and in connection with the maintenance of minimum price levels for imports affecting the market for agricultural or horticultural produce of descriptions produced in the United Kingdom; to make further provision for assisting by the payment of grants the production and marketing of horticultural produce; to impose requirements as to the grading of horticultural produce when dealt in bulk and as to the mode of packing and transporting such produce; and for purposes connected with the matters aforesaid.1972-06-01texttext/xmlenStatute Law Database2016-01-07Expert Participation2015-05-26 Part III18In proceedings for an offence in respect of any produce under section 14(1), (2) or (3) above it shall be a defence for the person charged to prove—athat the commission of the offence was due to the act or default of some other person, or to a mistake, or to an accident or some other cause beyond his control; andbthat he took all reasonable precautions and exercised all due diligence to avoid the commission of such an offence in respect of that produce by himself or any person under his control.Certain functions of Minister of Agriculture, Fisheries and Food transferred by S.I. 1978/272, art. 4