Judgment of the Court (Fourth Chamber) of 26 March 2020.#ISS Facility Services NV v Sonia Govaerts and Atalian NV, formerly Euroclean NV.#Request for a preliminary ruling from the Arbeidshof te Gent.#Reference for a preliminary ruling — Directive 2001/23/EC — Article 3(1) — Transfers of undertakings — Safeguarding of employees’ rights — Public contract for cleaning services — Award of market lots to two new contractors — Re‑engagement of a worker assigned to all the market lots.#Case C-344/18.