Case C-280/19 P: Judgment of the Court (Tenth Chamber) of 14 January 2021 — European Research Council Executive Agency (ERCEA) v Aristoteleio Panepistimio Thessalonikis (Appeal — Arbitration clause — Minatran contract concluded under the Seventh Framework Programme — Eligible costs — Debit note issued by the ERCEA — Recovery of amounts advanced — Personnel costs and indirect expenditure relating to those personnel costs — Obligation to carry out work solely on the premises of the beneficiary of the grant — Supervision by the beneficiary — Normal practices of the beneficiary)