53It should be recalled at the outset that, according to settled case-law, in accordance with the principle of the precedence of Union law, provisions of the Treaty and directly applicable measures of the institutions have the effect, in their relations with the internal law of the Member States, merely by entering into force, of rendering automatically inapplicable any conflicting provision of national law (see, in particular, Simmenthal, cited above, paragraph 17 and Case C-213/89 Factortame and Others [1990] ECR I-2433, paragraph 18).
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