84. The duration of a normal working day must in no case exceed eight hours for day work and seven hours for night work.
85. The duration of a normal day must not exceed six hours: (a) for persons under 18 years of age, and (b) in especially hard or health-endangering branches of industry (note Section 14 of the present Code).
86. During the normal working day time must be allowed for meals and for rest.
87. During recess machines, beltings and lathes must be stopped, unless this be impossible owing to technical conditions or in cases where these machines, beltings, etc., serve for ventilation, drainage, lighting, etc.
88. The time of recess fixed by Section 86 is not included in the working hours.
89. The recess must take place not later than four hours after the beginning of the working day, and must continue not less than a half hour and not more than two hours.
Note. Additional intermissions every three hours, and for not less than a half hour, must be allowed for working women nursing children.
90. The wage earners may use their free time at their own discretion. They shall be allowed during recess to leave the place of work.
91. In case the nature of the work is such that it requires a working day in excess of the normal, two or more shifts shall be engaged.
92. Where there are several shifts, each shift shall work the normal working hours; the change of shifts must take place during the time fixed by the rules of the internal management without interfering with the normal course of work.