49In that regard, it must be borne in mind that when a question on the validity of a measure adopted by the institutions of the European Union is raised before a national court or tribunal, it is for that court or tribunal to decide whether a preliminary ruling on the matter is necessary to enable it to give judgment and consequently whether it should ask the Court to rule on that question. Consequently, where the questions referred by the national court or tribunal concern the validity of a provision of EU law, the Court is, as a general rule, obliged to give a ruling (judgment of 3 June 2008, Intertanko and Others, C‑308/06, EU:C:2008:312, paragraph 31 and the case-law cited).
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