Judgment of the General Court (Fourth Chamber) of 23 September 2020.#Aristoteleio Panepistimio Thessalonikis v Education, Audiovisual and Culture Executive Agency.#Arbitration clause – Grant agreement entered into under Erasmus Mundus action programme No 3 for the promotion of higher education – Grant agreement entered into under the programme for lifelong learning – Eligible costs – Debit notes – Repayment of part of the sums advanced – Contractual liability.#Case T-408/18.