Judgment of the Court (First Chamber) of 30 November 2023.#MG v European Investment Bank.#Appeal – Civil service – Staff of the European Investment Bank (EIB) – EIB Staff Rules – Remuneration – Family allowances – Payment to the sole parent with full custody of the child – Charter of Fundamental Rights of the European Union – Article 41(2) – Right to be heard – Plea of illegality in respect of the Staff Rules – Principle of equal treatment – Principle of proportionality – Action for annulment and for damages.#Case C-173/22 P.