Judgment of the Court (Fourth Chamber) of 3 July 2025.#Global Nanotechnologies AE schediasmou anaptyxis paraskevis kai emporias ylikon nanotechnologias (Glonatech) v European Research Executive Agency.#Appeal – Arbitration clause – Seventh Framework Programme for research, technological development and demonstration activities (2007-2013) – The SANAD project – Staff costs – Eligible costs – Request for recovery – Debit note – Article 41 of the Charter of Fundamental Rights of the European Union – Principle of good administration – Substitution of grounds – Article 47 of the Charter of Fundamental Rights – Right to effective judicial protection – Burden of proof – Proportionality).#Case C-114/24 P.