23It is apparent from the Court’s settled case-law that an agreement concluded by the Council, pursuant to Articles 217 and 218 TFEU constitutes, as regards the European Union, an act of one of its institutions, that the provisions of such an agreement form an integral part of the legal order of the European Union from the time it enters into force and that, in the context of that legal order the Court has jurisdiction to give a preliminary ruling on the interpretation of that agreement (judgments of 30 April 1974, Haegeman, 181/73, EU:C:1974:41, paragraphs 3 to 6; of 8 March 2011, Lesoochranárske zoskupenie, C‑240/09, EU:C:2011:125, paragraph 30; and of 22 November 2017, Aebtri, C‑224/16, EU:C:2017:880, paragraph 50).
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