US lawMichiganRegulationsDepartment — Labor and Economic OpportunityBureau — MIOSHAR 408.40901 to 408.40953 — Part 9. Excavation, Trenching, and Shoring408.40946R 408.40946R 408.40946 Rescinded.RepealedLast amended: 2013Year: 2026Length: 1 wordsOfficial source Cite as Mich. Admin. Code R 408.40946Rescinded.PreviousR 408.40945NextR 408.40951