Commission Regulation (EEC) No 2866/88 of 15 September 1988 re-establishing the levying of customs duties on gelatines and derivatives thereof, falling within CN code 3503 00 10 and ceramic tableware falling within CN code 6912 00 50, originating in Brazil, to which the preferential tariff arrangements set out in Council Regulation (EEC) No 3635/87 apply