48Consequently, the Court has jurisdiction, both in the context of an action for annulment and in that of a request for a preliminary ruling to assess whether an international agreement concluded by the European Union is compatible with the Treaties (see, to that effect, Opinion 1/75 (OECD Understanding — Local cost standard) of 11 November 1975, EU:C:1975:145, p. 1361) and with the rules of international law which, in accordance with the Treaties, are binding on the Union.
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