35In proceedings under Article 267 TFEU, which are based on a clear separation of functions between the national courts or tribunals and the Court of Justice, the national court or tribunal alone has jurisdiction to find and assess the facts in the case before it and to interpret and apply national law. Similarly, it is solely for the national court or tribunal before which the dispute has been brought, 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 and the relevance of the questions which it submits to the Court (judgments of 26 May 2011, Stichting Natuur en Milieu and Others, C‑165/09 to C‑167/09, EU:C:2011:348, paragraph 47 and the case-law cited; of 9 September 2015, X and van Dijk, C‑72/14 and C‑197/14, EU:C:2015:564, paragraph 57; and of 12 May 2021, Altenrhein Luftfahrt, C‑70/20, EU:C:2021:379, paragraph 25).
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