47It should be borne in mind, in the first place, that Article 267 TFEU establishes a procedure for direct cooperation between the Court and the courts of the Member States. In that procedure, which is based on a clear separation of functions between the national courts and the Court, any finding and assessment of the facts of the case is a matter for the national court, which must 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, whilst the Court is empowered to give rulings on the interpretation or the validity of an EU provision only in the light of the factual and legal situation as described by the referring court (see, to that effect, judgments of 20 December 2017, Schweppes, C‑291/16, EU:C:2017:990, paragraph 21 and the case-law cited, and of 20 April 2021, Repubblika, C‑896/19, EU:C:2021:311, paragraph 28 and the case-law cited).
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