Judgment of the Court (Grand Chamber) of 14 May 2019.#Federación de Servicios de Comisiones Obreras (CCOO) v Deutsche Bank SAE.#Request for a preliminary ruling from the Audiencia Nacional.#Reference for a preliminary ruling — Social policy — Protection of the safety and health of workers — Organisation of working time — Article 31(2) of the Charter of Fundamental Rights of the European Union — Directive 2003/88/EC — Articles 3 and 5 — Daily and weekly rest — Article 6 — Maximum weekly working time — Directive 89/391/EEC — Safety and health of workers at work — Requirement to set up a system enabling the duration of time worked each day by each worker to be measured.#Case C-55/18.