Judgment_paragraph 42 · Commission of the European Communities v European Parliament and Council of the European Union (C-178/03)

42If examination of a Community measure reveals that it pursues a twofold purpose or that it has a twofold component and if one of those is identifiable as the main or predominant purpose or component, whereas the other is merely incidental, the act must be based on a single legal basis, namely that required by the main or predominant purpose or component (see Case C-36/98 Spain v Council [2001] ECR 1-779, paragraph 59; Case C-211/01 Commission v Council [2003] ECR I-8913, paragraph 39; and Case C-338/01 Commission v Council [2004] ECR I-4829, paragraph 55).