Opinion of Advocate General Saugmandsgaard Øe delivered on 12 December 2019.#Federación de Trabajadores Independientes de Comercio (Fetico) and Others v Grupo de Empresas DIA S.A. and Twins Alimentación S.A.#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 — Directive 2003/88/EC — Articles 5 and 7 — Weekly rest — Annual leave — Paid special leave permitting time off from work to meet specific needs and obligations.#Case C-588/18.