Wyrok Trybunału z dnia 5 maja 1998 r. - The Queen przeciwko Ministry of Agriculture, Fisheries and Food, Commissioners of Customs & Excise, ex parte National Farmers' Union, David Burnett and Sons Ltd, R. S. and E. Wright Ltd, Anglo Beef Processors Ltd, United Kingdom Genetics, Wyjac Calves Ltd, International Traders Ferry Ltd, MFP International Ltd, Interstate Truck Rental Ltd i Vian Exports Ltd. - Sprawa C-157/96., sygn. C-157/96