Judgment of the Court (Grand Chamber) of 17 May 2022.#L v Unicaja Banco SA.#Reference for a preliminary ruling – Directive 93/13/EEC – Unfair terms in consumer contracts – Principle of equivalence – Principle of effectiveness – Mortgage agreement – Unfairness of the ‘floor clause’ in the agreement – National rules concerning the judicial appeal procedure – Limitation of the temporal effects of the declaration that an unfair term is void – Restitution – Power of review by the national appeal court of its own motion.#Case C-869/19.