A former employee of Kanto Construction Industry Co., Ltd. was convicted by the Saitama District Court on December 24, 2023, of obstructing public contract auctions under the crime of interfering with public contract auctions (Article 28, Paragraph 1, Item 2 of the Construction Business Act). The conviction pertains to the bid for the 'Kiryuu City New Main Office Building Construction Work' conducted by Kiryuu City, Gunma Prefecture, on October 19, 2022. The court sentenced the individual to one year in prison, with a three-year probation, and the sentence was finalized. This violation has been recognized as grounds for suspension of business activities. The suspension applies to construction activities related to public works in Ibaraki, Tochigi, Gunma, Saitama, Chiba, Tokyo, Kanagawa, Yamanashi, and Nagano Prefectures, specifically for general construction work involving public contracts. The suspension period is from May 12, 2026, to July 10, 2026, totaling 60 days.