1. Opinion 1/91, Draft Treaty on the establishment of a European Economic Area, 1991 E.C.R. I-6079.
2. R. v. Secretary of State, supra, note 16, at para. 67.
3. Case C-372/04 2006 E.C.R. I-4325.
4. Swedish Match, supra, note 20, at paras. 38, 39.
5. And it is considered in the opinion of Fennelly A.G. , Germany v. Parliament and Council, supra, note 1, at paras. 14-20, 74-77.