CELEX:62020CJ0623: Judgment of the Court (First Chamber) of 16 February 2023.#European Commission v Italian Republic.#Appeal – Rules on languages – Notice of open competition for the recruitment of administrators in the field of audit – Knowledge of languages – Restriction of the choice of the second competition language to English, French and German – Language of communication with the European Personnel Selection Office (EPSO) – Regulation No 1 – Staff Regulations – Article 1d(1) – Difference in treatment based on language – Justification – Interests of the service – Requirement to recruit administrators who are ‘immediately operational’ – Judicial review – Standard of proof required.#Case C-623/20 P.