DECISION OF THE REPRESENTATIVES OF THE GOVERNMENTS OF THE MEMBER STATES OF THE EUROPEAN COAL AND STEEL COMMUNITY, MEETING WITHIN THE COUNCIL of 3 December 1991 extending into 1992 the application of Decisions 90/672/ECSC and 90/673/ECSC applying generalized tariff preferences for 1991 in respect of certain steel products originating in developing countries (91/634/ECSC).