Read paragraph 7.1.2 (item 7.4) of the main case (DS/546/R) (Treaty Interpretation). And footnote 17 in the same paragraph. Why the panelists in the explanation they are giving in the text make reference to the Vienna Convention on the Law of Treaties, (Public International Law) but in footnote 17 they instead refer to the US-Gasoline case DSR 1996:1; and Japan - Alcohol Beverages II case, 1996:1 instead of referring to cases of Public International law decided by the ICJ