Case C-500/21 P: Judgment of the Court (Seventh Chamber) of 29 September 2022 — Health Information Management (HIM) v European Commission (Appeal — Arbitration clause — Grant agreements concluded under the Information and Communication Technologies (ICT) Policy Support Programme — Audit report — Debit notes issued by the European Commission for the recovery of certain sums — Action for annulment — Investigation by the European Anti-Fraud Office (OLAF) — Counterclaim — Full repayment of the grants concerned — Rights of the defence — Principle of sound administration — Impartiality — Principle of proportionality — Obligation to state reasons)