Judgment of the General Court (Seventh Chamber) of 21 December 2021.#Ethniko Kentro Erevnas kai Technologikis Anaptyxis (EKETA) v European Commission.#Arbitration clause – Humabio contract concluded under the Sixth Framework Programme – Eligible costs – Debit note issued by the Commission for the recovery of amounts advanced – Reliability of the time records – Conflict of interests.#Case T-189/17.