{"id":"us-mt","license":"CC-BY-4.0","data":{"name":"Montana","kind":"state","parent":"us","coverageStatus":"coming-soon","hubLede":"Montana’s Department of Labor and Industry adopts the 2021 IWUIC with amendments. Chapter 4 is deleted. Automatic sprinklers in Section 602 are deleted. Cities, counties, and towns that enforce IBC or IRC may elect to enforce the IWUIC and must then record WUI areas on public maps. That election is not a statewide construction mandate. Confirm with the building official.","sources":[{"title":"ARM 24.301.181 Incorporation by reference of IWUIC","url":"https://www.law.cornell.edu/regulations/montana/Mont-Admin-r-24.301.181","publisher":"Montana Secretary of State (via LII)","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"},{"title":"Current Codes","url":"https://bsd.dli.mt.gov/building-codes-permits/current-codes","publisher":"Montana Department of Labor and Industry, Building and Safety Division","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}],"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z","reviewNotes":"Opened DLI Current Codes on 2026-08-26. The page lists Wildland Urban Interface Code, 2021 Edition, effective 11 June 2022. ARM 24.301.181 is a local-election overlay. Which localities have elected was not opened. Statewide construction mandate is not sourced."},"ancestors":["us"],"children":[],"applications":[]}