55According to the Court’s case-law, in the absence of EU rules on the principles governing the assessment of evidence and the requisite standard of proof in national proceedings for the application of Article 101 TFEU, it is for the national legal order of each Member State to establish those rules, in accordance with the principle of procedural autonomy, provided, however, that those rules are not less favourable than those governing similar domestic situations (principle of equivalence) and that they do not make it excessively difficult or impossible in practice to exercise the rights conferred by EU law (principle of effectiveness) (see, to that effect, judgment of 21 January 2016, Eturas and Others, C‑74/14, EU:C:2016:42, paragraphs 30 to 32 and the case-law cited).
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