Court of Justice (Tenth Chamber) 9 September 2021, C-107/19 (XR v Dopravní podnik hl. m. Prahy, a.s.)

JUDGMENT OF THE COURT (Tenth Chamber) 9 September 2021 ( *1 ) (Reference for a preliminary ruling – Social policy – Directive 2003/88/EC – Organisation of working time – Concepts of ‘working time’ and ‘rest period’ – Break during which the employee must remain ready to respond to a call-out within a two-minute time limit – Primacy of EU law) In Case C‑107/19, REQUEST for a preliminary ruling