43It is clear from settled case-law that, under the principle of cooperation in good faith laid down in Article 4(3) TEU, Member States are required to nullify the unlawful consequences of a breach of European Union law (see, inter alia, Case 6/60 Humblet v Belgian State [1960] ECR 559, p. 569, and Joined Cases C-6/90 and C-9/90 Francovich and Others [1991] ECR I-5357, paragraph 36). Such an obligation is owed, within the sphere of its competence, by every organ of the Member State concerned (Case C-8/88 Germany v Commission [1990] ECR I-2321, paragraph 13, and Wells, paragraph 64 and the case-law cited).
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.