European Constitutional Identity as the Unamendable Core of the EU Treaties

Cruz Mantilla de los Ríos, Pablo2026-02-192026-02-192024European Constitutional Law Review, 20, 4, pp. 545-56810.1017/S157401962400035Xhttps://hdl.handle.net/10433/26162Proyecto de investigación del Ministerio de Ciencia e Innovación "La configuración europea del Estado de Derecho: implicaciones en el ámbito nacional" (PID2022-137789NB-I00), Proyecto de investigación del Ministerio de Ciencia e Innovación "Populismo y poder judicial: los retos para el Estado constitucional de Derecho" (PID2022-136707NB-I00), Proyecto de investigación "La Nueva Seguridad Pública, Derecho Administrativo Sancionador y Estado de Derecho en Europa" (Proyecto de Excelencia de la Junta de Andalucía PROYEXCEL 00903) Proyecto de investigación JDC2022-049249-I, financiado por MCIN/AEI/10.13039/501100011033 y por la Unión Europea "Next Generation EU/PRTR".European constitutional identity as an implicit limit to amending EU treaties – General trend towards acknowledging implicit constraints to constitutional amendments as well as empowering supreme courts and constitutional courts to monitor ‘unconstitutional constitutional amendments’ – Substantive limits to revising EU treaties essentially based on Article 2 TEU – Conditionality mechanism rulings as a point of departure for speculating on the emergence of a European constitutional identity – ECJ’s competence to review EU treaty amendments with a self-restrained approach as a last resort mechanism.application/pdfenAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Constitutional identityUnconstitutional constitutional amendmentsEU valuesEU treatiesEuropean Constitutional Identity as the Unamendable Core of the EU Treatiesjournal articleopen access