Judgment of the Court (Fifth Chamber) of 16 July 2026.#International Management Group (IMG) v European Commission.#Appeal – EU Financial Regulations – Implementation of the EU budget under joint or indirect management with an international organisation – Decision refusing to recognise an entity as an international organisation with retroactive effect – Concept of ‘international organisation’ – Constituent elements – Interpretation of the international agreement establishing the organisation – Vienna Convention on the Law of Treaties – Articles 31 and 32 – Non-contractual liability.#Case C-790/24 P.