Part 10a. Michigan Commercial Energy Code rules are now open, and we are seeking your input.
For your convenience, a Proposal Rule/Code Change Request form and the draft strike-bold rules are linked below. The current Part 10a. Michigan Commercial Energy Code rule set can be viewed under our Administrative Rules webpage Currently Open Rules. Proposals for this rule set must be submitted to LARA-BCC-Rules@michigan.gov by 5:00 p.m. on Thursday, November 7, 2025. Status of the rule set progression will be posted on our website.
On July 27, 2025, the State Fire Prevention and Building Code Council (the “Code Council”) adopted rules that amended and updated the New York State Uniform Fire Prevention and Building Code (the “Uniform Code”) and the State Energy Conservation Construction Code (the “Energy Code”).
The Department of State, acting on behalf of the Code Council, filed Notices of Adoption of these rules. The Notices of Adoption appears in the October 1, 2025 edition of the State Register. On and after October 1, 2025, the October 1, 2025 edition of the State Register can be viewed by clicking the “October 1” link at https://dos.ny.gov/state-register.
On July 15, 2025, the Board of County Commissioners approved ordinances to adopt the following national codes and local amendments thereto:
2024 International Building Code
2024 International Residential Code
2024 International Existing Building Code
2024 International Swimming Pool and Spa Code
2023 National Electrical Code
2024 Uniform Plumbing Code
2024 Uniform Mechanical Code
2024 International Energy Conservation Code
The Construction Code – Part 10. Energy (Residential) Code rules were filed with the Secretary of State on May 1, 2025, and will become effective on August 29, 2025. The rules adopted by reference the 2021 edition of the International Uniform Energy Code, with amendments, deletions, and additions deemed appropriate for use in Michigan.
The Construction Code – Part 5. Residential Code rules were filed with the Secretary of State on May 1, 2025, and will become effective on August 29, 2025. The rules were adopted by reference to the 2021 edition of the International Residential Code, with amendments, deletions, and additions deemed appropriate for use in Michigan.
Part 9a. Michigan Mechanical Rules & Part 7. Michigan Plumbing Rules
The 2024 Michigan Mechanical and Plumbing rules are now open, and we are seeking your input.
PUBLIC ADVISORY MEETING ON PROPOSED DRAFT’S:
PART 9a. MICHIGAN MECHANICAL RULES
PART 7. MICHIGAN PLUMBING RULES
Update regarding the effective date of the 2024 North Carolina State Building Code (the “2024 Code”). Pursuant to G.S. § 143-138(d), the 2024 Code was originally slated to become effective on January 1, 2025. Pursuant to S.L. 2024-57, the General Assembly delayed the effective date of the 2024 Code to July 1, 2025. More recently, on March 19, 2025, the General Assembly enacted S.L. 2025-2, which further delays the effective date of the 2024 Code. Section 5.12(b) of S.L. 2025-2 provides that the 2024 Code will become effective 12 months after the State Fire Marshal certifies that the following events have occurred: