Judgment of the Court (Grand Chamber) of 17 May 2022.#IO v Impuls Leasing România IFN SA.#Reference for a preliminary ruling – Directive 93/13/EEC – Unfair terms in consumer contracts – Principle of equivalence – Principle of effectiveness – Enforcement proceedings in respect of a leasing contract constituting an enforceable instrument – Objection to enforcement – National legislation not allowing the court hearing that objection to determine whether the terms of an enforceable instrument are unfair – Power of the court hearing the enforcement proceedings to examine of its own motion whether a term is unfair – Existence of an action under ordinary law allowing the review of whether those terms were unfair – Requirement of a security in order to suspend the enforcement proceedings.#Case C-725/19.