223The Court has consistently held that, in the absence of EU rules on the matter, it is for the national legal order of each Member State to establish, in accordance with the principle of procedural autonomy, procedural rules for actions intended to safeguard the rights that individuals derive from EU law, provided, however, that those rules are no less favourable than the rules governing similar domestic actions (the principle of equivalence) and do not render impossible in practice or excessively difficult the exercise of rights conferred by EU law (the principle of effectiveness) (see, to that effect, judgments of 6 October 2015, Târşia, C‑69/14, EU:C:2015:662, paragraphs 26 and 27; of 24 October 2018, XC and Others, C‑234/17, EU:C:2018:853, paragraphs 21 and 22 and the case-law cited; and of 19 December 2019, Deutsche Umwelthilfe, C‑752/18, EU:C:2019:1114, paragraph 33).
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