XX xxxxx undercutting methodology. 307. The EC contended that Japan' s claim that the EC' s methodology for selecting the export models to be used in calculating a margin of price undercutting was inconsistent with Article 3 was not within the terms of reference of the Panel. Japan had responded that this claim was raised in paragraphs 21 and 22 of document ADP/85/Add.1, which stated as follows: