47Whilst the Court has already defined, in a number of respects and taking account of the requirements of Articles 6(1) and 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, on condition, however, that they are not less favourable than those governing similar situations subject to domestic law (principle of equivalence) and that they provide for a right to an effective remedy, as required by Article 47 of the Charter of Fundamental Rights of the European Union (judgment of 13 September 2018, Profi Credit Polska, C‑176/17, EU:C:2018:711, paragraph 57 and the case-law cited).
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