Judgment of the General Court (Tenth Chamber, Extended Composition) of 24 February 2021.#Universität Koblenz-Landau v Education, Audiovisual and Culture Executive Agency.#Arbitration clause – Tempus IV Programmes – Grant agreements – Contractual nature of the dispute – Reclassification of the action – Eligible costs – Systemic and recurrent irregularities – Full repayment of amounts paid – Proportionality – Right to be heard – Obligation to state reasons – Article 41 of the Charter of Fundamental Rights.#Case T-108/18.