50As is apparent from the Court’s settled case-law, an international agreement concluded by the European Union constitutes an act of the institutions of the European Union within the meaning of point (b) of the first paragraph of Article 267 TFEU and the provisions of the agreement form an integral part of the legal order of the European Union, from the time it enters into force, with the result that the Court has jurisdiction to give a preliminary ruling on the interpretation of such an agreement (see, inter alia, judgment of 30 April 1974, Haegeman, 181/73, EU:C:1974:41, paragraphs 3 to 6, and of 4 May 2010, TNT Express Nederland, C‑533/08, EU:C:2010:243, paragraph 60 and the case-law cited).
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