Joined Cases C-583/21 to C-586/21, NC and Others (Transfer of a Spanish notary’s office): Judgment of the Court (Fourth Chamber) of 16 November 2023 (requests for a preliminary ruling from the Juzgado de lo Social de Madrid — Spain) — NC (C-583/21), JD (C-584/21), TA (C-585/21), FZ (C-586/21) v BA, DA, DV, CG (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