Judgment of the General Court (Ninth Chamber) of 9 September 2020.#Italian Republic v European Commission.#Rules on languages – Notice of open competition for the recruitment of administrators in the field of audit – Knowledge of languages – Limitation of the choice of the second competition language to English, French and German – Language of communication – Regulation No 1 – Article 1d(1), Article 27 and Article 28(f) of the Staff Regulations – Discrimination based on language – Justification – Interests of the service – Proportionality.#Case T-437/16.