Yamabe Motoyasu, the representative director of Hachibo Construction Co., Ltd., was involved in requiring workers at construction sites in Nara Prefecture to work overtime exceeding 40 hours per week and more than 8 hours per day excluding break time, from October 1, 2024, to March 31, 2025, despite there being no grounds for exemption from the application of the Labor Standards Act. He was sentenced to a fine of 200,000 yen by the Katsuragi Summary Court on February 26, 2026, and the sentence was finalized. This conduct is recognized as corresponding to Item 3, Paragraph 1, Article 28 of the Construction Business Act.

Kuhou Kensetsu Co., Ltd. submitted a technical staff roster that listed individuals who were not actually working full-time as full-time employees during the management review on November 30, 2021, November 30, 2022, and November 30, 2023. Based on this, they submitted the notification of the comprehensive evaluation score to the public project clients. This is recognized as corresponding to Article 28, Paragraph 1, Item 2 of the Construction Business Act.

Kuhou Construction Co., Ltd. made false reports that technical staff were full-time employees when they were not, in response to onsite investigations and written report requests conducted by Nara Prefecture based on Article 31, Paragraph 1 of the Construction Business Act, regarding management review dates of November 30, 2021, November 30, 2022, and November 30, 2023. This is recognized as corresponding to Article 28, Paragraph 1, main text of the Construction Business Act.