A. The defendant is a corporation that operates passenger transport service, etc., and the plaintiffs are drivers of cross-city buses employed by the defendant, who provide their labor to the defendant.

B. The Korean Automobile Workers’ Union, which belongs to the Plaintiffs, concluded a collective agreement with the Defendant, which includes the following, and entered into an annual wage agreement:

【Collective Agreement】 Chapter 4 Terms and Conditions of Employment Article 27 (Working Hours and Working Hours)

1. Number of working days: 20 days for intercity buses and 17 days for urban buses;

2. Working hours: Work hours shall be based on the average of 8 hours a day and 40 hours a week excluding the break time, but overtime work shall be recognized according to the course of a company's dispatch in consideration of the characteristics of passenger transportation services;

1) The working hours of the service on board shall be the working hours for the vehicle operation hours according to the dispatch course. 2) When waiting to work for the purpose of serving on board, basic pay shall be paid.

(iii) Article 29 (Holidays) omitted.

1. Holidays: Holidays and Saturdays may be replaced by the holidays in consideration of the characteristics of transport service, and the basic salary for four days shall be paid to the full-time workers;

2. Legal holidays: The company establishment commemorative day and the date determined by the Government on which the company is established and the next holiday shall be deemed to have been closed on a given the characteristics of the transport service, and buses on overseas shall be paid one-day basic wage only for workers, and buses on overseas shall be paid a basic wage of 1.5 days per month when calculating the comprehensive wage;

3. For the purposes of this Convention, the wages, retirement allowances, and bonuses referred to in Chapter 5, and Article 34 (Definition of Wages), the term "wages" means all the money and valuables paid by a company to its members for labor;

Article 35 (Payment of Wages)

1. Wages shall be monthly wages and ordinary wages shall be fixed at the level that guarantees the minimum standard of living of the Union members;

2. A wage system;