US lawMichiganRegulationsDepartment — Labor and Economic OpportunityBureau — MIOSHAR 408.41401 to 408.41483 — Part 14. Tunnels, Shafts, Caissons and Cofferdams408.41468R 408.41468R 408.41468 Rescinded.RescindedLast amended: 2013Year: 2026Length: 3 wordsOfficial source Cite as Mich. Admin. Code R 408.41468TUNNELS AND SHAFTSPreviousR 408.41467NextR 408.41471