The person responsible for business management at Haruyama Corporation was found to have notified themselves as the chief technical officer and engaged in duties appropriate for a chief technical officer during public works contracted by other companies from December 2022 to February 2023. Since they were not exclusively engaged in duties at Haruyama Corporation during this period, this constitutes a violation of Article 7, Item 1 of the Construction Business Act. This is considered to fall under the provisions of Article 28, Paragraph 1, of the same Act.