22The Court has stated that the observance of those requirements must be analysed by reference to the role of the rules concerned in the procedure viewed as a whole, to the conduct of that procedure and to the special features of those rules before the various national courts (see, inter alia, judgments of 24 October 2018, XC and Others, C‑234/17, EU:C:2018:853, paragraph 24; of 11 September 2019, Călin, C‑676/17, EU:C:2019:700, paragraph 31, and of 9 July 2020, Vueling Airlines, C‑86/19, EU:C:2020:538, paragraph 40).
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