Who enforces each one, what edition applies, and what changes next. 6 of 7 areas verified on primary sources. OSHA state plan: Michigan Occupational Safety and Health Administration (MIOSHA), Department of Labor and Economic Opportunity.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | NFPA 1 Uniform Fire Code, 2006 edition (selected chapters) with Michigan amendments - Fire Prevention Code rules R 29.1651-29.1700b (2011 AACS)Adopted in R 29.1652 with Michigan amendments; covers assembly, commercial, industrial and residential (not 1-2 family) occupancies, references NFPA 101 (2006), and yields where a city, village or township adopts a nationally recognized fire code. SourceVerified on the source | LARA Bureau of Fire Services (State Fire Marshal) under 1941 PA 207; BFS Field Services inspects state-regulated occupancies (schools, dormitories, health care, assembly, penal); local fire departments enforce local fire codes and may receive delegated state authority (MCL 29.2b) | In forceIn force; no newer edition pending - LARA's 2025-26 regulatory plan lists no Fire Prevention Code update (BFS items are inspector certification, fireworks, hydrogen and board procedure rules) |
| Building | 2021 Michigan Building Code (2021 IBC incl. appendices F, G, H, with Michigan amendments, R 408.30401 et seq.) and 2021 Michigan Rehabilitation Code for existing buildings, both effective Apr 9, 2025Single state construction code under 1972 PA 230 applies statewide. Companion codes: 2021 Mechanical and Plumbing codes and 2023 NEC effective Mar 12, 2024; 2021 Commercial Energy Code effective Apr 22, 2025. SourceVerified on the source | Local enforcing agencies (cities, villages, townships, or counties that assume responsibility by ordinance); LARA Bureau of Construction Codes enforces where no local unit does (MCL 125.1508b) | Rulemaking pendingDraft rule sets to adopt the 2024 IBC (2025-48 LR), a 2024 IEBC-based Rehabilitation Code and 2024 IECC had advisory meetings May 21, 2026; 2024 IPC/IMC public hearings Aug 5, 2026; none filed, no effective dates (120 days after filing) |
| Elevators | Michigan Elevator Code, R 408.7001-408.8695 (eff. Jun 27, 2023): ASME A17.1-2016, A17.2-2017, A17.3-2017, A17.6-2017, A18.1-2017, A90.1-2009Periodic inspection every 12 months for passenger/freight elevators, escalators and moving walks; every 24 months for dumbwaiters, chairlifts and platform lifts. Power elevators need maintenance at least every 90 days. Existing units follow rules in effect at installation. SourceVerified on the source | LARA Bureau of Construction Codes, Elevator Section (state inspection; annual certificate of operation) with the Elevator Safety Board under 1967 PA 227; cities, villages or townships with comparable elevator ordinances are exempt (MCL 408.805) | Rulemaking pendingDraft 2025-54 LR Michigan Elevator Code (strike-bold dated Jul 7, 2026; code-change proposals closed Aug 7, 2026) would adopt A17.1-2022, A17.2-2023, A18.1-2023 and A90.1-2023, keeping A17.3-2017; effective 90 days after filing; no hearing date posted |
| Boilers | Skilled Trades Regulation Act (2016 PA 407) boiler provisions + Boiler Code effective May 3, 2023: ASME BPVC 2019, B31.1-2018, CSD-1-2018, 2019 NBICCertificate inspections: power, process and high-temperature water boilers annually, plus an external inspection under pressure; low-pressure steam/vapor heating boilers every 2 years; hot-water heating and supply boilers every 3 years (MCL 339.5943). SourceVerified on the source | LARA Bureau of Construction Codes, Boiler Section (chief and deputy state inspectors or special inspectors) | Rulemaking pendingRule set 2025-64 LR (new Part 9A Boiler Code; public hearing Sep 10, 2026) would adopt a newer ASME boiler code (notice says 2024 edition), ASME CSD-1 and the 2023 NBIC; effective 90 days after filing |
| Pools | Public Health Code Part 125 (1978 PA 368, MCL 333.12521-12534) + Public Swimming Pools rules R 325.2111-325.2199 (last amended eff. Feb 6, 2001)Covers pools and spas at hotels, motels, apartments, clubs and resorts (pools serving 4 or fewer units exempt); construction permit and license required. 2022 PA 99 (eff. Jun 14, 2022) allows in-pool food/drink service under added conditions. SourceVerified on the source | EGLE Drinking Water and Environmental Health Division (construction permits, licenses); local health departments inspect, and a current approved local inspection report is required before a license is released | In forceIn force; no pending pool rule set found (EGLE regulatory agenda not checked) |
| Lodging | Hotels, Inns, and Public Lodging Houses act (1913 PA 188, MCL 427.1-427.15; fire-safety section 427.3 as amended 1988); no state hotel license foundHotels must provide sleeping-room smoke detectors, corridor detection (waived if fully sprinklered), posted in-room evacuation plans, elevator fire-warning signs, stairwell floor numbering, a fire alarm with occupant notification, and an employee fire-safety plan with annual drills. SourceReported, in verification | unknown - the act still names commission-appointed hotel inspectors but its commission section (427.8) was repealed in 2000; BFS Field Services does not list hotels, so hotel fire inspection appears to fall to local fire departments | Rulemaking pendingPending: SB 481 (2025) would require hotels/motels to post the human-trafficking hotline (amends 2016 PA 62); passed Senate Apr 22, 2026, in House Regulatory Reform Committee |
| Workplace | MIOSHA State Plan covering private-sector and state/local government employersInitially approved Oct 3, 1973; administered by the Department of Labor and Economic Opportunity. Federal employers, maritime work, tribal enterprises on reservations and in-flight aircraft cabin crews stay under federal OSHA. SourceVerified on the source | Michigan Department of Labor and Economic Opportunity - MIOSHA; federal OSHA for excluded employers | In forceIn force; recent MIOSHA updates: Hazard Communication (adopts 2024 federal HCS) effective Aug 12, 2025; recordkeeping Part 11 effective Mar 23, 2026 |
NFPA 1 Uniform Fire Code, 2006 edition (selected chapters) with Michigan amendments - Fire Prevention Code rules R 29.1651-29.1700b (2011 AACS). Adopted in R 29.1652 with Michigan amendments; covers assembly, commercial, industrial and residential (not 1-2 family) occupancies, references NFPA 101 (2006), and yields where a city, village or township adopts a nationally recognized fire code. Enforced by: LARA Bureau of Fire Services (State Fire Marshal) under 1941 PA 207; BFS Field Services inspects state-regulated occupancies (schools, dormitories, health care, assembly, penal); local fire departments enforce local fire codes and may receive delegated state authority (MCL 29.2b).
2021 Michigan Building Code (2021 IBC incl. appendices F, G, H, with Michigan amendments, R 408.30401 et seq.) and 2021 Michigan Rehabilitation Code for existing buildings, both effective Apr 9, 2025. Single state construction code under 1972 PA 230 applies statewide. Companion codes: 2021 Mechanical and Plumbing codes and 2023 NEC effective Mar 12, 2024; 2021 Commercial Energy Code effective Apr 22, 2025. Enforced by: Local enforcing agencies (cities, villages, townships, or counties that assume responsibility by ordinance); LARA Bureau of Construction Codes enforces where no local unit does (MCL 125.1508b).
Elevators: LARA Bureau of Construction Codes, Elevator Section (state inspection; annual certificate of operation) with the Elevator Safety Board under 1967 PA 227; cities, villages or townships with comparable elevator ordinances are exempt (MCL 408.805) (Michigan Elevator Code, R 408.7001-408.8695 (eff. Jun 27, 2023): ASME A17.1-2016, A17.2-2017, A17.3-2017, A17.6-2017, A18.1-2017, A90.1-2009). Boilers: LARA Bureau of Construction Codes, Boiler Section (chief and deputy state inspectors or special inspectors) (Skilled Trades Regulation Act (2016 PA 407) boiler provisions + Boiler Code effective May 3, 2023: ASME BPVC 2019, B31.1-2018, CSD-1-2018, 2019 NBIC).
Michigan runs an OSHA-approved state plan: Michigan Occupational Safety and Health Administration (MIOSHA), Department of Labor and Economic Opportunity. The state agency enforces workplace safety rules for most private employers.
Building: Rulemaking pending (Draft rule sets to adopt the 2024 IBC (2025-48 LR), a 2024 IEBC-based Rehabilitation Code and 2024 IECC had advisory meetings May 21, 2026; 2024 IPC/IMC public); Elevators: Rulemaking pending (Draft 2025-54 LR Michigan Elevator Code (strike-bold dated Jul 7, 2026; code-change proposals closed Aug 7, 2026) would adopt A17.1-2022, A17.2-2023, A18.1-2023); Boilers: Rulemaking pending (Rule set 2025-64 LR (new Part 9A Boiler Code; public hearing Sep 10, 2026) would adopt a newer ASME boiler code (notice says 2024 edition), ASME CSD-1 and the 2); Jan 13, 2027: Michigan Legislature convenes its 2027 regular session (second Wednesday of January); only odd-year business carries over, so pending 2025-26 bills such as SB 481 (hotel human-trafficking hotline posting) die if not enacted before the 2026 session ends.
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