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1) It is not allowed to attract to additional work the employees up to 18 years old, the pregnant women, as well as the persons whose additional work is contraindicated according to the medical certificate.

(2) Persons with severe and accentuated disabilities, one of the parents (guardian, curator) who have children up to 4 years old or children with disabilities, persons who combine childcare leave provided by art. 126 and 127 para. ( 2) with the work activity and the employees who take care of a sick family member, based on the medical certificate, can perform additional work only with their written consent. At the same time, the employer is obliged to inform the mentioned employees in writing about their right to refuse additional work.

(3) The performance of additional work may not have the effect of increasing the daily working time beyond 12 hours.