Judgment of the Court (First Chamber) of 9 July 2026.#Štátny fond rozvoja bývania v GL and Others.#Reference for a preliminary ruling – Consumer protection – Unfair terms in consumer contracts – Directive 93/13/EEC – Article 2(c) – Concept of ‘seller or supplier’ – Loan and guarantee agreements – State Housing Development Fund – Task carried out in the public interest – Loans granted on preferential terms – Referral back for reconsideration following an appeal – Obligation to comply with the legal rulings of a higher court – Principle of the primacy of EU law – Limitation of the temporal effects of the judgment.#Case C-188/25.