Legal basis: Article 13 of the Interim Provisions on Payment of Wages, if the employing unit arranges the laborers to work outside the statutory standard working hours according to actual needs after the laborers have completed the labor quota or the specified work tasks, the wages shall be paid according to the following standards: (1) If the employing unit arranges the laborers to work outside the statutory standard working hours in Japan according to law, the wages shall be paid to the laborers according to 150% of the hourly wage standard agreed in the labor contract; (2) If the employing unit arranges the laborers to work on rest days according to law, but cannot arrange compensatory time off, it shall pay the laborers no less than 200% of the laborers' daily or hourly wages agreed in the labor contract; (3) If the employing unit arranges the laborers to work on legal holidays according to law, it shall pay the laborers not less than 300% of the daily or hourly wages agreed in the labor contract. Workers who implement piece-rate wages shall, after completing the task of piece-rate quota, be paid by the employing unit according to the above principles, respectively, according to 150%, 200% and 300% of the piece-rate price of their statutory working hours. If the comprehensive working hours system is implemented with the approval of the labor administrative department, if the comprehensive working hours exceed the legal standard working hours, it shall be regarded as an extension of working hours, and the wages for extending working hours shall be paid to the workers according to these regulations. Laborers who practice irregular working hours do not implement the above provisions.