Judgment of the General Court (Eighth Chamber) of 27 October 2021.#Clean Sky 2 Joint Undertaking v Revoind Industriale di Pindaru Gelu Sas.#Arbitration clause – Grant agreement concluded in the framework of the Seventh Framework Programme for research and technological development including demonstration activities (2007-2013) – Non-performance of the contract – Repayment of the amounts advanced – Default interest