| IBC — International Building Code | 2021 IBC (with appendices F, G and H) | Mich. Admin. Code R 408.30401 (Part 4. Building Code), Rule 401 "Applicable code". OPERATIVE SENTENCE, QUOTED FROM THE FILED RULE: "The provisions of the international building code, 2021 edition, including appendices F, G, and H, except for sections [excepted list], and IECC-2021, IEBC-2021, IMC-2021, IPC-2021, IPSDC-2021, and NFPA 70-2023 ... govern the construction, alteration, relocation, demolition, use, and occupancy of buildings and structures". AUTHORITY AS PRINTED: "Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1504, and Executive Reorganization Order Nos. 2003-1, 2008-4, and 2011-4". HISTORY LINE AS PRINTED: "2024 MR 23, Eff. April 9, 2025". EXCEPTED IBC SECTIONS (read from the rule, recorded as a list rather than as one continuous quote): 104.2, 104.3, 104.8, 104.8.1, 104.10, 105.3, 105.3.1, 105.3.2, 105.6, 109.2 to 109.6, 111.2, 111.3, 113.2, 113.3, 113.4, 114.1 to 114.4, 115.1 to 115.4, 423.5, 423.5.1, 423.5.2, 903.2.8.4, 2902 to 2902.6, table 2902.1, 3005.5, plus the definitions of "agricultural building" and "recreational vehicle". DO NOT RECORD 2024 - Michigan is on the 2021 IBC. · source ↗ |
| IECC — International Energy Conservation Code | 2021 IECC (nonresidential); 2015 IECC (residential) | Mich. Admin. Code R 408.31087 (Part 10a. Michigan Energy Code). OPERATIVE SENTENCE, QUOTED VERBATIM FROM THE FILED RULE: "Rules governing the energy efficiency for the design and construction of buildings and structures, not including residential buildings, shall be those contained in the international energy conservation code, 2021 edition" except "sections C104.2 to C104.5, C109.1 to C109.4, C110.1 to C110.3, and appendix CA" and "the ASHRAE energy standard for buildings, except low-rise residential buildings, ANSI/ASHRAE/IESNA standard 90.1-2019". AUTHORITY AS PRINTED: "By authority conferred on the director of the department of licensing and regulatory affairs by section 4 of the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1504, and Executive Reorganization Order Nos. 2003-1, 2008-4, and 2011-4". HISTORY LINE AS PRINTED: "2024 MR 23, Eff. April 22, 2025". *** RESIDENTIAL SIDE, SEPARATE INSTRUMENT, NOT RE-READ THIS RUN: Mich. Admin. Code R 408.31059 (Part 10, Michigan Uniform Energy Code) adopts the residential provisions of the 2015 IECC, excl. R107.2-R107.5, R301.2, R301.3, R402.3.2 and Table R303.1.3(3); eff. 2016-02-06. The 2021 residential replacement (rule set 2021-48 LR) was ENJOINED 2025-07-07, Home Builders Assoc. v LARA (Mich. Ct. Cl.), and never took effect on its scheduled 2025-08-29 date. · source ↗ |
| IFC — | NOT ADOPTED — Michigan has NO statewide International Fire Code. The statewide fire prevention code is NFPA 1 Uniform Fire Code, 2006 edition. | Mich. Admin. Code R 29.1652 (Fire Prevention Code, Part 1; Uniform fire code, adoption by reference), Bureau of Fire Services: adopts by reference enumerated chapters of NFPA 1 "Uniform Fire Code", 2006 edition — NOT the International Fire Code. Authority, verbatim: "1941 PA 207 and ERO No. 2008-4, MCL 29.3c, 29.451, and 445.2025". History: 2011 AACS. Rule set R 29.1601 to R 29.1700b. R 29.1651 provides that these rules "do not apply in a local jurisdiction with a legally adopted, nationally recognized fire prevention code", so Michigan's statewide fire code is a LOCAL-OPTION DEFAULT and no IFC edition is adopted at state level. · source ↗ |
| IMC — International Mechanical Code | 2021 | Mich. Admin. Code R 408.30901a (Construction Code, Part 9a — Michigan Mechanical Code; "International mechanical code; adoption by reference"): adopts "the provisions of the international mechanical code, 2021 edition" by reference, EXCLUDING sections 103.1 to 103.3, 104.2, 104.8, 104.8.1, 106.1.1, 106.1.2, 106.3, 106.3.2, 106.4.5, 109.1 to 109.6, 112.2.5 to 112.2.5.3, 113.1 to 113.4, 114.1, 115.3, 116.1 to 116.4, 1101.9 and 1102.3, and EXCLUDING APPENDIX B AND APPENDIX C. Statutory authority, verbatim: "section 4 of the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1504" and "Executive Reorganization Order Nos. 2003-1, 2008-4 and 2011-4". Rule set 2022-55 LR (Construction Code, Part 9a — Mechanical Code), LARA Bureau of Construction Codes; promulgated 2023 MR 22; EFFECTIVE 2024-03-12. Rule set R 408.30901 to R 408.30998. · source ↗ |
| IPC — International Plumbing Code | 2021 IPC, SECOND PRINTING — adopted by reference as the basic plumbing code of the Michigan Plumbing Code, Mich. Admin. Code R 408.30701, effective 2024-03-12. PARTIAL INCORPORATION, TWICE OVER: (1) ONLY APPENDICES B, C, D AND E ARE ADOPTED — every other IPC appendix is not Michigan law; (2) A LONG LIST OF IPC SECTIONS IS EXPRESSLY EXCLUDED, verbatim from the rule: "103.1, 103.2, 103.3, 104.2, 104.5 to 104.7, 104.8, 104.8.1, 106.3, 106.3.1, 106.3.2, 106.5.5, 108.2.5, 108.2.5.1, 108.2.5.2, 109.2 to 109.5, 113.1 to 113.4, 114.1 to 114.4, 115.3, 404.2, 404.3, 602.3 to 602.3.5.1, 608.18 to 608.18.8, 712.3.3.1, 712.3.3.2, 715.1 to 715.4, 802.4.3.1, 1106.3, 1106.6, 1301 to 1304.4.2, 1401 to 1403.2.1, and tables 608.18.1, 1106.3, and 1106.6". NOTE THE WHOLE-CHAPTER EXCLUSIONS: IPC CHAPTER 13 (NONPOTABLE WATER SYSTEMS, 1301-1304.4.2) AND CHAPTER 14 (SUBSURFACE LANDSCAPE IRRIGATION SYSTEMS, 1401-1403.2.1) ARE NOT IN FORCE IN MICHIGAN AT ALL. DO NOT RECORD 2024 — Michigan is on the 2021 IPC. | Mich. Admin. Code R 408.30701 (Michigan Plumbing Code, Part 7; adoption by reference of the basic plumbing code), verbatim: adopts the "international plumbing code, 2021 second printing edition, including appendices B, C, D, and E" subject to the listed section exclusions. STATUTORY AUTHORITY, verbatim: "section 4 of the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1504, and Executive Reorganization Order Nos. 2003-1, 2008-4, and 2011-4, MCL 445.2011, 445.2025, and 445.2030". Rule set 2022-56 LR (Construction Code, Part 7 — Plumbing Code), Dept. of Licensing and Regulatory Affairs, Bureau of Construction Codes; EFFECTIVE 2024-03-12. Read directly from the codified rule text published by the Michigan Office of Administrative Rules and Standards. · source ↗ |
| IRC — International Residential Code | 2015 IRC | Mich. Admin. Code R 408.30500 (Part 5. Residential Code). OPERATIVE SENTENCE, QUOTED FROM THE FILED RULE: "The provisions of the international residential code, 2015 edition, including appendices A, B, C, D, E, F, G, J, K, N, O, P, R, and S except for Sections R 104.2, R 104.3, R 104.5, R 104.7, R 104.8, R 104.8.1, R 105.3, R 105.3.1, R 105.3.2, R 105.6, R 105.9, R 108.3, R 108.4, R 108.5, R 108.6, R 109.1, R 112.2, R 112.3, R 112.4, R 113.1 to R 113.3, R 113.4, R 114.1 and R 114.2" [and further excepted sections], "the IBC-2015, IECC-2015, IMC-2015, IPC-2015, NFPA 70-2014 ... govern the construction, alteration, relocation, demolition, use, and occupancy of buildings and structures, and, with the exceptions noted, the international residential code is adopted by reference". AUTHORITY AS PRINTED: "section 4 of the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1504, and Executive Reorganization Order Nos. 2003-1, 2008-4, and 2011-4". HISTORY LINE AS PRINTED: "2015 AACS; 2021 AACS; 2022 MR 2, Eff. Feb. 8, 2022". *** DO NOT RECORD 2021 OR 2024. MICHIGAN IS STILL ON THE 2015 IRC: the 2021 IRC rule set was ENJOINED 2025-07-07 in Home Builders Assn v LARA and never took effect on its scheduled date (carried from the sibling IECC row, NOT re-verified this run). · source ↗ |
| NEC — National Electrical Code (NFPA 70) | 2023 NEC, SECOND PRINTING (with TIA 70-23-1 to 70-23-13 and Errata 70-23-1 to 70-23-6) | Mich. Admin. Code R 408.30801 (Part 8. Electrical Code). OPERATIVE SENTENCE, QUOTED VERBATIM FROM THE FILED RULE: "The standards contained in the national electrical code 2023 second printing edition, including TIA 70-23-1 to 70-23-13, Errata 70-23-1 to 70-23-6, and Annex H, except sections 80.2, 80.5, 80.15, 80.23, 80.27, 80.29, 80.31, 80.33, 80.35, and 90.6, as published by the national fire protection association (NFPA), shall govern the installation, replacement, alteration, relocation, and use of electrical systems or material." AUTHORITY AS PRINTED: "By authority conferred on the director of the department of licensing and regulatory affairs by section 4 of the Stille-DeRossett-Hale single state construction code act 1972 PA 230, MCL 125.1504, and Executive Reorganization Order Nos. 1996-2, 2003-1, 2008-4, 2011-4, and 2017-1, MCL 445.2001, 445.2011, 445.2025, 445.2030, and 339.3102". HISTORY LINE AS PRINTED: "2023 MR 22, Eff. Mar. 12, 2024." *** DO NOT RECORD 2026 NEC. Michigan is on the 2023, second printing. · source ↗ |