Case C-107/20 P: Judgment of the Court (Ninth Chamber) of 18 November 2021 — Hellenic Republic v European Commission (Appeal — Common Agricultural Policy (CAP) — European Agricultural Guarantee Fund (EAGF) and European Agricultural Fund for Rural Development (EAFRD) — Expenditure excluded from EU financing — Expenditure incurred by the Hellenic Republic — Regulation (EU) No 1306/2013 — Article 52(4)(c) — Flat-rate financial corrections — Period of 24 months — Expenditure covered by that period — Method of calculating the correction — Adjustment of the correction rate)