31In that regard, it must be recalled that, according to consistent case-law, national courts have the widest discretion in referring questions to the Court involving interpretation of relevant provisions of EU law. It is for the national court hearing the proceedings only, which alone is familiar with its national law and which must assume responsibility for the subsequent judicial decision, to determine in the light of the particular circumstances of the case both the need for a preliminary ruling in order to enable it to deliver judgment and the relevance of the questions which it submits to the Court. Consequently, where the questions put by national courts concern the interpretation or the validity of a provision of EU law, the Court is, in principle, bound to give a ruling. It follows that questions referred by national courts enjoy a presumption of relevance. The Court may refuse to rule on a question referred by a national court only where it is quite obvious that the interpretation sought bears no relation to the actual facts of the main action or its object, where the problem is hypothetical, or where the Court does not have before it the factual or legal material necessary to give a useful answer to the question submitted to it (judgment of 9 September 2021, GE Auto Service Leasing, C‑294/20, EU:C:2021:723, paragraph 40 and the case-law cited).
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