++++ 1 . Common commercial policy - Protection against dumping practices - Dumping margin - Determination of the normal value - Constructed value - Taking into account a reasonable profit margin ( Council Regulation No 2176/84, Art . 2 ( 3 ) ( b ) ( ii ) ) 2 . Common commercial policy - Protection against dumping practices - Dumping margin - Comparison between the normal value and the export price - Choice of the level of trade at which the values to be compared are determined - Taking into account the specific features of the commercial organization of the manufacturer concerned - Legality ( Council Regulation No 2176/84, Art . 2 ( 9 ) )