Article 36 of the Labor Law The state practices a working-hour system in which laborers work no more than eight hours a day and no more than forty-four hours a week on average.

Article 41 The employing unit may, due to the needs of production and operation, extend the working hours after consultation with the trade unions and laborers, which shall generally not exceed one hour per day; If it is necessary to extend the working hours for special reasons, the extended working hours shall not exceed three hours a day and thirty-six hours a month under the condition of ensuring the health of the workers.