Commission Regulation (EEC) No 651/87 of 4 March 1987 re-establishing the levying of customs duties on stockings, knickers, panty-hose, understockings, socks, ankle-socks, sockettes and the like, products of category No 12 (NIMEXE code 40.01.20) originating in Sri Lanka to which the preferential tariff arrangements of Council Regulation (EEC) No 3925/86 apply