22Since the national court alone has jurisdiction to find and assess the facts in the case before it, the Court must in principle confine its examination to the matters which the court or tribunal making the reference has decided to submit to it and thus proceed on the basis of the situation which that court or tribunal considers to be established, and cannot be bound by suppositions raised by one of the parties to the main proceedings (judgment of 8 June 2016, Hünnebeck, C‑479/14, EU:C:2016:412, paragraph 36 and the case-law cited).
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