No L 314/14 Official Journal of the European Communities 15. 11. 91 COMMISSION REGULATION (EEC) No 3324/91 of 13 November 1991 re-establishing the levying of customs duties on products falling within CN code 2523, originating in Romania, to which the preferential tariff arrangements set out in Council Regulation (EEC) No 3831/90 apply THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to Council Regulation (EEC) No 3831/90 of 20 December 1990 applying generalized tariff preferences for 1991 in respect of certain industrial products originating in developing countries ('), and in particular Article 9 thereof, Whereas, pursuant to Article. 1 of Regulation (EEC) No 3831/90, duties on certain products originating in each of the countries or territories listed in Annex III shall be totally suspended and the products as such shall, as a general rule, be subject to statistical surveillance every three months on the reference base referred to in Article 8; Whereas, as provided for in Article 8, where the increase of preferential imports of these products, originating in one or more beneficiary countries, causes, or threatens to cause, economic difficulties in the Community or in a region of the Community, the levying of customs duties may be re-established once the Commission has had an appropriate exchange of information with the Member States ; whereas for this purpose the reference base to be considered shall be, as a general rule, equal to 6,3 % of the total importations into the Community, originating from third countires in 1988 ; Whereas, in the case of products falling within CN code 2523, originating in Romania, the reference base is fixed at ECU 7 464 000 ; whereas, on 15 May 1991, imports of these products into the Community originating in Romania, reached the reference base in question after being charged there-against; whereas the exchange of information organized by the Commission has demon- strated that continuance of the preference threatens to cause economic difficulties in a region of the Commu- nity ; whereas, therefore, customs duties in respect of the products in question must be re-established against Romania, HAS ADOPTED THIS REGULATION : Article 1 As from 18 November 1991, the levying of customs duties, suspended pursuant to Council Regulation (EEC) No 3831/90, shall be re-established on imports into the Community of the following products originating in : CN code Description 2523 Portland cement, aluminous cement, slag cement,  supersulphate  cement - and. .similar hydraulic cements, whether. or not coloured or in the form of clinkers ' Article 2 This Regulation shall enter into force on the third day following its publication in the Official Journal of the European Communities. This Regulation shall be binding in its entirety and directly applicable in all Member States. Done at Brussels, 13 November 1991. () OJ No L 370, 31. 12. 1990, p. 1. For the Commission Christiane SCRIVENER Member of the Commission