Decisions of the CJEU from 9.3.2021, C-580/19 and C-344/19 - Requirements for on-call duty as working time. In summary, the ECJ stated in both cases that for the assessment of on-call time as working time, it is essentially a matter of such restrictions on the use of free time that are imposed on the employee in particular on the basis of the employment contract, the work regulations or the on-call schedule. It is therefore essential how [...]