Changes made by Council Regulation (EEC) No 742/93 of 17 March 1993 providing for, in the fruit and vegetables sector, the abolition of the compensation mechanism in trade between Portugal and the other Member States: Council Regulation (EEC) No 3649/90 of 11 December 1990 laying down general rules for the mechanism for the protection of the Portuguese market in fruit and vegetables provided for in article 318 (2) of the act of accession of Spain and Portugal