The former representative director of Yūgen-gaisha Daiō Kōgyō was indicted on December 7, 2023, for obstructing public contract auctions and violating the Anti-Organized Crime Law. On April 17, 2024, the Miyazaki District Court sentenced him to one year in prison with a three-year probation, and the sentence was finalized. This incident falls under Article 28, Paragraph 1, Item 3 of the Construction Business Act. As a result, Miyazaki Prefecture imposed a one-year suspension of business activities from June 18, 2024, to June 17, 2025, specifically targeting construction activities related to public works, including those involving government, local authorities, and certain private projects utilizing public funds. The suspension was based on the facts that the former director was prosecuted and convicted for the specified crimes, which are grounds for suspension under the law.