Commission Regulation (EEC) No 1531/86 of 21 May 1986 re-establishing the levying of customs duties applicable to alkyds and other polyesters, in one of the forms mentioned in Note 3 (d) to Chapter 39; others, falling within subheading 39.01 C III ex a), originating in South Korea, to which the preferential tariff arrangements set out in Council Regulation (EEC) No 3599/85 apply