Commission Regulation (EEC) No 2233/89 of 25 July 1989 re-establishing the levying of customs duties on alkaloids of cinchona, their derivatives and salts thereof, falling within CN codes 2939 21 10, 21 90 and 29 00 originating in Indonesia, to which the preferential tariff arrangements set out in Council Regulation (EEC) No 4257/88 apply.