Withdrawal of appeals and other proceedings relating to the order suspending operations under the Construction Business Act and the action to rescind the cease-and-desist order
TAISEI CORPORATION
Private civil engineering works within the company's nationwide civil engineering business
The guilty verdict became final in the case involving violations of the Antimonopoly Act concerning construction of new terminal stations using the cut-and-cover method at Shinagawa Station and Nagoya Station for the Chuo Shinkansen maglev line
Related procedures
Order suspending operations under the Construction Business Act, and withdrawal of the appeal and petition for acceptance of appeal relating to the action to rescind the cease-and-desist order
Supreme Court, Kanto Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, Japan Fair Trade Commission
TAISEI CORPORATION (action to rescind the cease-and-desist order)
Not disclosed
Company response
Private civil engineering works within the nationwide civil engineering business
7 March 2027 (the day after the suspension period ends)
Tightening of rules governing contact with competitors; mandatory advance notification through a dedicated system for participating in meetings with competitors and post-meeting reports; in principle, prohibition of participation in meetings with competitors without following the above procedures; monitoring of emails exchanged between sales personnel and competitors; prohibition of sending or receiving emails with competitors using email addresses not designated by the company; procedures for verifying the propriety of bidding activities; establishment of a voluntary reporting system (internal leniency); and retraining on compliance with the Antimonopoly Act
The company will further reinforce its existing measures to prevent recurrence and continue working to ensure compliance with laws and regulations and improve the effectiveness of its compliance framework.
| Item | Details |
|---|---|
| Event name | Withdrawal of appeals and other proceedings relating to the order suspending operations under the Construction Business Act and the action to rescind the cease-and-desist order |
| Date of occurrence | 23 October 2026 (the date on which the order suspending operations was issued and the company decided to withdraw its appeal and petition for acceptance of appeal) |
| Date recognized / date notice received | 23 October 2026 (date the business suspension order was received from the Kanto Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism) |
| Subject Entity | TAISEI CORPORATION |
| Target Locations / Products | Private civil engineering works within the company's nationwide civil engineering business |
| Cause | The guilty verdict became final in the case involving violations of the Antimonopoly Act concerning construction of new terminal stations using the cut-and-cover method at Shinagawa Station and Nagoya Station for the Chuo Shinkansen maglev line |
| Type of litigation or proceeding | Order suspending operations under the Construction Business Act, and withdrawal of the appeal and petition for acceptance of appeal relating to the action to rescind the cease-and-desist order |
| Court or authority | Supreme Court, Kanto Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, Japan Fair Trade Commission |
| Plaintiff | TAISEI CORPORATION (action to rescind the cease-and-desist order) |
| Date of filing / date of action | Date of order suspending operations: 23 October 2026. The appeal and petition for acceptance of appeal were disclosed on 27 May 2025. |
| Suspended operations | Private civil engineering works within the nationwide civil engineering business |
| Scheduled resumption date | 7 March 2027 (the day after the suspension period ends) |
| Measures to prevent recurrence | Tightening of rules governing contact with competitors; mandatory advance notification through a dedicated system for participating in meetings with competitors and post-meeting reports; in principle, prohibition of participation in meetings with competitors without following the above procedures; monitoring of emails exchanged between sales personnel and competitors; prohibition of sending or receiving emails with competitors using email addresses not designated by the company; procedures for verifying the propriety of bidding activities; establishment of a voluntary reporting system (internal leniency); and retraining on compliance with the Antimonopoly Act |
| Outlook | The company will further reinforce its existing measures to prevent recurrence and continue working to ensure compliance with laws and regulations and improve the effectiveness of its compliance framework. |
Items this document does not state (11)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.Because, in the case involving violations of the Antimonopoly Act concerning construction of new terminal stations for the Chuo Shinkansen maglev line, the Supreme Court dismissed the company's appeal on 14 September 2026, making the guilty verdict final.