Judgment of the Court (Fourth Chamber) of 16 March 2023.#Caixabank SA v X.#Request for a preliminary ruling from the Tribunal Supremo.#Reference for a preliminary ruling – Consumer protection – Directive 93/13/EEC – Articles 3, 4 and 5 – Consumer contracts – Mortgage loans – Unfair terms – Term concerning loan arrangement fees – Application seeking a declaration of invalidity of that term and reimbursement of the amount paid on that basis – Plainness and intelligibility of the terms – Existence of specific national legislation.#Case C-565/21.