28While the Court has already defined, on several occasions and taking account of the requirements of Article 6(1) and Article 7(1) of Directive 93/13, the way in which national courts must ensure that the rights which consumers derive from that directive are protected, the fact remains that, in principle, EU law does not harmonise the procedures applicable to examining whether a contractual term is unfair and that those procedures accordingly fall within the domestic legal system of the Member States, provided, however, that those procedures are no less favourable than those governing similar domestic actions (principle of equivalence) and do not make it impossible in practice or excessively difficult to exercise the rights conferred by EU law (principle of effectiveness) (see, to that effect, judgment of 26 June 2019, Addiko Bank, C‑407/18, EU:C:2019:537, paragraphs 45 and 46 and the case-law cited).
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