Judgment of the Court (First Chamber) of 30 November 2023.#G.D. and Others v Ministero dell'Istruzione and Istituto nazionale della previdenza sociale (INPS).#Reference for a preliminary ruling – Social policy – Directive 1999/70/EC – Framework agreement on fixed-term work concluded by ETUC, UNICE and CEEP – Clause 4 – Public sector – Teachers – Employment of fixed-term workers as career civil servants through recruitment based on qualifications – Determination of the period of service deemed accrued.#Case C-270/22.