Case C-458/12: Judgment of the Court (Ninth Chamber) of 6 March 2014 (request for a preliminary ruling from the Tribunale di Trento (Italy)) — Lorenzo Amatori and Others v Telecom Italia SpA, Telecom Italia Information Technology Srl (Request for a preliminary ruling — Social policy — Transfer of undertakings — Safeguarding of employees’ rights — Directive 2001/23/EC — Transfer of employment relationships in the event of a legal transfer of part of a business that cannot be identified as a pre-existing autonomous economic entity)