140That binding nature of Decisions 2015/1523 and 2015/1601 is not in any way altered by the fact that the lawfulness of Decision 2015/1601 was challenged by Hungary and the Slovak Republic before the Court of Justice, in the context of an action for annulment under Article 263 TFEU, proceedings in which the Republic of Poland intervened in support of those two Member States. None of those Member States has moreover sought a suspension of the implementation of that latter decision or the adoption of interim measures by the Court of Justice under Articles 278 and 279 TFEU, so that those actions for annulment had no suspensive effect, in accordance with Article 278 TFEU (see, by analogy, judgment of 27 March 2019, Commission v Germany, C‑620/16, EU:C:2019:256, paragraphs 86 and 87).
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