"People's Republic of China (PRC) Labor Law" has corresponding provisions:

Article 36 The state practices a working-hour system in which laborers work no more than eight hours a day and no more than 44 hours a week on average. The employing unit shall ensure that workers have at least one day off every week.

The employing unit shall, in accordance with the working hours system stipulated in Article 36 of this Law, reasonably determine the labor quota and the standard of piecework remuneration for the laborers who carry out piecework.

Extended data:

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Relevant provisions of People's Republic of China (PRC) Labor Law:?

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.

Article 43 An employing unit shall not extend the working hours of laborers in violation of the provisions of this Law. Under any of the following circumstances, the employing unit shall pay the wages higher than the wages of workers during normal working hours according to the following standards:

(1) If the laborer is arranged to work longer hours, he shall be paid no less than 150% of the salary;

(2) If workers are arranged to work on rest days but cannot be arranged for compensatory time off, they shall be paid a salary of not less than 200% of their wages;

(3) If workers are arranged to work on legal holidays, they shall be paid no less than 300% of their wages.

Baidu Encyclopedia-People's Republic of China (PRC) Labor Law