Regulation (EEC) No 3589/73 of the Council of 28 December 1973 on the opening, allocation and administration of a Community tariff quota for ferro-chromium containing not more than 0.10 % by weight of carbon and more than 30 % but not more than 90 % of chromium (super-refined ferro-chromium) falling within subheading No ex 73.02 E I of the Common Customs Tariff.