1. On August 1, 2018, C&C headquarters concluded on August 1, 2018 between the Plaintiffs and the Defendant is commuting buses to and from work in 2018.

1. Basic facts

A. On July 2018, the Public Procurement Service under the Defendant’s control (hereinafter “Defendant”) issued a notice of the following contract concerning the operation of commuting buses at the headquarters D Co., Ltd. (hereinafter “Demand Agency”) for C Co., Ltd. (hereinafter “Demand Agency”) in the year 2018; and accordingly, made a bid in the manner of “the determination of the minimum successful bidder by qualification examination”.

(1) On January 1, 2018, an end-user institution: C(D Headquarters Tender Order: D) / [D] estimated price for services for commuting buses in 2018: 821,832,720 won and 3-1. (3-1. document document 1) The execution of the contract for this tender must be conducted with a vehicle owned by a contractor under Article 12 of the Passenger Transport Service Act, and if the contract is not performed, the contract termination or improper businessman may be punished in accordance with the relevant provisions of the contract law, and the time for the tender will be reduced. - The list of scheduled input of equipment - The certificate of registration of vehicle and motor vehicle register, traffic safety information inquiry report, and the schedule of scheduled input equipment: - The detailed method of selecting a successful tenderer and operating equipment - the minimum number of equipment scheduled to be supplied to a procuring institution is 0.1 to 3:00,000,000,000 won and the detailed method of selecting a bus 5.1:7.

(i) Article 4 (Vehicles and 1 Operating Vehicles: 45 passenger buses: Provided, That 9 passenger buses: