Judgment of the Court (Seventh Chamber) of 24 June 2021.#EV v Obras y Servicios Públicos S.A. and Acciona Agua, S.A.#Request for a preliminary ruling from the Juzgado de lo Social de Madrid.#Reference for a preliminary ruling – Social policy – Directive 1999/70/EC – Framework agreement on fixed-term employment concluded by ETUC, UNICE and CEEP – Clause 5 – Measures to prevent abuse arising from the use of successive fixed-term employment contracts or relationships – Successive fixed-term employment contracts in the construction sector, known as ‘fijos de obra’ – Concept of ‘objective reasons’ justifying the renewal of such contracts – Directive 2001/23/EC – Article 1(1) – Transfer of an undertaking – Article 3(1) – Safeguarding of employees’ rights – Taking over of employment contracts in accordance with the terms of a collective agreement – Collective agreement limiting the rights and obligations of the transferred workers to the rights and obligations arising from the last contract concluded with the outgoing company.#Case C-550/19.