Judgment of the Court (Fourth Chamber) of 26 June 2019.#Italian Republic v European Commission.#Appeal — European Social Fund (ESF) — Operational programme for objective No 1 for the Region of Sicily (2000-2006) — Reduction of the financial assistance initially granted — Regulation (EC) No 1260/1999 — Article 39 — Supervisory powers — Necessary verifications — Financial corrections — Calculation — Method by extrapolation.#Case C-247/18 P.