Kyo-sei Denki Co., Ltd. failed to submit a worker injury and illness report to the competent Labor Standards Inspection Office Chief following a work-related injury resulting in more than four days of leave that occurred during electrical equipment construction in Sodegaura City, Chiba Prefecture, on March 30, 2023. Regarding this matter, the company and one of its Chiba branch managers were each sentenced to a fine of 200,000 yen for violations of the Industrial Safety and Health Act by the Kisarazu Summary Court on August 29, 2025, and the sentences were finalized. This is recognized as corresponding to Item 3, Paragraph 1, Article 28 of the Construction Business Act.