49Those essential characteristics of the EU legal order and the importance of complying with that legal order, as required, were, moreover, confirmed by the ratification, without reservation, of the Treaties amending the EEC Treaty and, in particular, the Treaty of Lisbon. When that treaty was adopted, the conference of representatives of the governments of the Member States was keen to state expressly, in its Declaration No 17 concerning primacy, annexed to the Final Act of the Intergovernmental Conference which adopted the Treaty of Lisbon (OJ 2012 C 326, p. 346), that, ‘in accordance with well settled case law of the Court of Justice of the European Union, the Treaties and the law adopted by the Union on the basis of the Treaties have primacy over the law of Member States, under the conditions laid down by [that] case law’ (see, to that effect, judgment of 21 December 2021, Euro Box Promotion and Others, C‑357/19, C‑379/19, C‑547/19, C‑811/19 and C‑840/19, EU:C:2021:1034, paragraph 248).
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