245By virtue of the principle of the primacy of EU law, a Member State’s reliance on rules of national law, even of a constitutional order, cannot be allowed to undermine the unity and effectiveness of EU law. In accordance with settled case-law, the effects of the principle of the primacy of EU law are binding on all the bodies of a Member State, without, inter alia, provisions of domestic law relating to the attribution of jurisdiction, including constitutional provisions, being able to prevent that (see, to that effect, judgments of 26 February 2013, Melloni, C‑399/11, EU:C:2013:107, paragraph 59, and of 2 March 2021, A.B. and Others (Appointment of judges to the Supreme Court – Actions), C‑824/18, EU:C:2021:153, paragraph 148 and the case-law cited).
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