Article 1 
The supplementary trade mechanism provided for in Article 249 of the Act of Accession shall apply from 1 January 1991 to 31 December 1995 to the products listed in the Annex hereto and imported into Portugal, on the terms set out in Articles 250, 251 and 252 of the Act. However, with regard to common wheat, barley, maize and rice, the supplementary trade mechanism shall apply only during those periods which are sensitive as regards the marketing of Portuguese production, as determined according to the procedure provided for in Article 26 of Regulation (EEC) 2727/75(2), as last amended by Regulation (EEC) N° 1340/90(3), or in Article 27 of Regulation (EEC) N° 1418/76(4), as last amended by Regulation (EEC) N° 1806/89(5). Article 2 As part of the annual report on the operation of the supplementary trade mechanism, the Commission will examine any amendments which, as a result of developments in trade, may be made to the list of the products listed in the Annex and will present, should this prove appropriate, the necessary proposals to the Council. Article 3 This Regulation shall enter into force on the third day following that its 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, 11 December 1990 For the CouncilThe PresidentV. SACCOMANDI (1)See p. 28 of this Official Journal. (2)OJ N° L 281, 1. 11. 1975, p. 1. (3)OJ N° L 134, 28. 5. 1990, p. 1. (4)OJ N° L 166, 25. 6. 1976, p. 1. (5)OJ N° L 177, 24. 6. 1989, p. 1.
Article 2 
As part of the annual report on the operation of the supplementary trade mechanism, the Commission will examine any amendments which, as a result of developments in trade, may be made to the list of the products listed in the Annex and will present, should this prove appropriate, the necessary proposals to the Council. Article 3 This Regulation shall enter into force on the third day following that its 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, 11 December 1990 For the CouncilThe PresidentV. SACCOMANDI (1)See p. 28 of this Official Journal. (2)OJ N° L 281, 1. 11. 1975, p. 1. (3)OJ N° L 134, 28. 5. 1990, p. 1. (4)OJ N° L 166, 25. 6. 1976, p. 1. (5)OJ N° L 177, 24. 6. 1989, p. 1.
Article 3 
This Regulation shall enter into force on the third day following that its 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, 11 December 1990