26In that connection, it must be recalled that, according to settled case-law, in the absence of EU rules on the matter, it is for the national legal order of each Member State to establish procedural rules for actions intended to safeguard the rights of individuals, in accordance with the principle of procedural autonomy, on condition, 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) (judgment of 15 March 2017, Aquino, C‑3/16, EU:C:2017:209, paragraph 48 and the case-law cited).
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