Changes made by Regulation (EEC) No 460/74 of the Commission of 21 February 1974 on the definition of the concept of tariff preferences granted by the European Economic Community in respect of certain products from developing countries: Regulation (EEC) No 3615/73 of the Commission of 20 December 1973 derogating from Articles 5 and 6 of Commission Regulation (EEC) No 3614/73 of 20 December 1973 on the definition of the concept of the origin of goods for purposes of the application of tariff preferences granted by the European Economic Community in respect of certain products from developing countries