Regulatory framework
The code baseline for Calhoun County.
For the representative Battle Creek jurisdiction in 2026: 2021 Michigan Building Code (commercial), 2021 Michigan Energy Code provisions (MBC Chapter 13/Part 10a, ASHRAE 90.1-2019 or amended 2021 IECC), 2021 Michigan Plumbing Code, 2021 Michigan Mechanical Code, 2021 IFGC, 2023 Michigan Electrical Code/NEC with Part 8 amendments, 2021 Michigan Rehabilitation Code, 2021 IFC, NFPA 13/13R/13D (2019), NFPA 72 (2019), and ISPSC; 2015 Michigan Residential Code and its Chapter 11 energy provisions remain listed for one- and two-family dwellings. Confirm code applicability with the municipality having jurisdiction.