In industrial establishments operating continuously, the weekly rest periods of employees assigned to continuous work may be deferred in part under the following conditions:
1° Each employee benefits, in a given work period, from a number of rests of twenty-four consecutive hours at least equal to the number of weeks included in this period;
2° Each employee is entitled to as much rest as possible on Sundays.
A decree of the Conseil d’Etat shall determine the conditions for the application of the weekly rest period to the employees concerned, the work to which this derogation applies and, for each of these jobs, the maximum duration of the working period referred to in 1°.