Judgment of the Court (Fourth Chamber) of 16 November 2023.#NC and Others v BA and Others.#Requests for a preliminary ruling from the Juzgado de lo Social de Madrid.#Reference for a preliminary ruling – Directive 2001/23/EC – Article 1(1) – Safeguarding of employees’ rights in the event of transfers of undertakings, businesses or parts of undertakings or businesses – Transfer of a notarial practice – Declaration as to the nullity or unfairness of the dismissal of employees – Determination of seniority for the calculation of compensation – Applicability of the directive – Conditions.#Joined Cases C-583/21 to C-586/21.