Work time must be arranged in the way that during every day, calculated from the beginning of the work day, the employee has at least 11 hours of continuous rest. If possible, daily rest must be during the period between 11 pm and 6 am.
It is prohibited to organize work in the way that work hours exceed 13 hours.
More about variations and the right to take leave in chapter 2.4.2 of the wage term agreement.