2. 10. 91 Official Journal of the European Communities No L 275/21 COUNCIL REGULATION (EEC) No 2899/91 of 1 October 1991 amending Regulation (EEC) No 3905/88 and repealing the definitive anti-dumping duty imposed on imports into the Community of polyester yarn originating in Mexico THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to Council Regulation (EEC) No 2423/88 of 11 July 1988 on protection against dumped or subsi- dized imports from countries not members of the Euro- pean Economic Community (') and in particular Article 14 thereof, Having regard to the proposal submitted by the Commis- sion after consultations within the Advisory Committee as provided for under the above Regulation, Whereas, A. PROCEDURE (1)  In November 1990 the Commission announced, by a notice published in the Official Journal of the European Communities(?), the initiation of a review of anti-dumping measures concerning imports of polyester yarn originating in Mexico, in accordance with Article 14 of Regulation (EEC) No 2423/88, and commenced an investigation. The measures in question consisted of definitive duties on imports of polyester yarn originating in Mexico imposed by Regulation (EEC) No 3905/88 (). (2  The proceeding was initiated as a result of a request lodged in September 1990 by several exporters in Mexico. The request alleged changed circumstances since the imposition of the definitive anti-dumping duty. In particular, it was alleged that imports of polyester yarn from Mexico to the Community were now being made at non-dumped prices. The evidence contained in this request was considered sufficient to justify opening a proceeding. (3) The Commission officially advised the exporters known to be concerned, the representatives of the exporting country and the complainant in the original proceeding, the Comité international de la rayonne et des fibres synthetiques (CIRFS) repre- senting the Community industry, and gave the () OJ No L 209, 2. 8. 1988, p. 1. () OJ No C 289, 17. 11. 1990, p. 7. () OJ No L 347, 16. 12. 1988, p. 10. @ ©) © Y ®) ® parties concerned the opportunity to make their views known in writing and to request a hearing. The exporters and CIRFS made their views known in writing. The Commission sought and verified all informa- tion it deemed necessary for the purposes of this proceeding and carried out investigations at the premises of the following Mexican producers/ exporters : Fibras Quimicas SA, Monterrey, Mexico, Nylon de Mexico SA, Monterrey, Mexico, Kimex SA, Mezxico City, Fibras Sinteticas SA, Mexico City, Celanese Mexicana SA, Mexico City. The investigation of dumping covered the period 1 January to 30 September 1990 (the investigation period). B. PRODUCTS UNDER CONSIDERATION 1. Definition of products The products concerned are non-textured partially oriented filament yarn (POY), falling within CN code 5402 42 00, and textured polyester yarn fila- ment (PTY), falling within CN codes 5402 33 10 and 5402 33 90. 2. Description of products POY is used to produce PTY and other types of yamn. PTY of varying quality is produced, and there are several different types. Threes qualities of PTY are produced, as follows : — first quality : mechanically perfect, guaranteed for dyeing; — second quality : : mechanically perfect, not guaranteed for dyeing (‘whites only); — third quality : lower quality yarn. The proportion of each quality produced depends on the efficiency of the production process. The exporters are producing all three qualities of PTY.