Montana

International Building Code

IBC 2021 — Montana Building Code, statewide mandatory with MT amendments

International Existing Building Code

IEBC 2021 — Montana Existing Building Code, statewide mandatory

International Energy Conservation Code

IECC 2021 — Montana Energy Conservation Code, statewide mandatory

International Fire Code

IFC 2021 — Montana Fire Code, statewide mandatory

International Fuel Gas Code

IFGC 2021 — Montana Fuel Gas Code, statewide mandatory

International Mechanical Code

IMC 2021 — Montana Mechanical Code, statewide mandatory

International Plumbing Code

IPC 2021 — Montana Plumbing Code, statewide mandatory

International Residential Code

IRC 2021 — Montana Residential Code, statewide mandatory

International Swimming Pool and Spa Code

ISPSC 2021 — Swimming Pool and Spa Code, statewide

National Electrical Code

NEC 2023 — National Electrical Code, statewide