Judgment of the Court (Tenth Chamber) of 22 October 2020.#Ethniko Kentro Erevnas kai Technologikis Anaptyxis (EKETA) v European Commission.#Appeal – Arbitration clause – Regulation (EC, Euratom) No 1605/2002 – Regulation (EC, Euratom) No 2342/2002 – Regulation (EC) No 1906/2006 – Actibio grant agreement – Actibio project – Seventh Framework Programme – Eligible costs – Conflict of interests – Burden of proof – Time sheets – Audit report – Probative value – Principle of proportionality.#Case C-274/19 P.