Judgment of the Court (First Chamber) of 18 January 2024.#BU v Comune di Copertino.#Reference for a preliminary ruling – Social policy – Directive 2003/88/EC – Article 7 – Article 31(2) of the Charter of Fundamental Rights of the European Union – Allowance in lieu of days of leave not taken at the end of the employment relationship – National legislation prohibiting payment of that allowance in the event of the voluntary resignation of a public servant – Control of public expenditure – Organisational needs of the public employer.#Case C-218/22.