Codes of Record

What applies to my job?

Pick the state and the product you build, install, or inspect. The card below answers from each state’s own record.

EV charging in Montana

Which codes apply? In Montana, EV charging equipment falls under the 2023 NEC, the 2024 commercial IECC, the 2024 residential IECC, and the 2024 IBC.

Chargers at homes, in parking structures, and at public sites. State record read Oct 20, 2026. Data as of Oct 26, 2026.

Codes that reach EV charging equipment

The edition Montana enforces for each code that governs the product, and the part of the code that does.

  1. NECNational Electrical Code
    2023 NECPartial

    in force since Sep 26, 2026

    Where it reaches the product. Article 625, electric vehicle power transfer systems.

    National Electrical Code (NFPA 70) under the Montana state building code · ARM 24.301.401

    The Montana NEC record
  2. IECC commercialInternational Energy Conservation Code, commercial
    2024 IECCPartial

    in force since Sep 26, 2026

    Where it reaches the product. EV-capable and EV-ready parking spaces in the commercial energy code.

    International Energy Code, 2024 Edition (IECC) · ARM 24.301.161

    The Montana IECC commercial record
  3. IECC residentialInternational Energy Conservation Code, residential
    2024 IECCPartial

    in force since Sep 26, 2026

    Where it reaches the product. Where a state adopts the EV-ready appendix for homes.

    International Energy Code, 2024 Edition (IECC) · ARM 24.301.161

    The Montana IECC residential record
  4. IBCInternational Building Code
    2024 IBCPartial

    in force since Sep 26, 2026

    Where it reaches the product. Parking structures, ventilation, and accessible routes to chargers.

    International Building Code, 2024 Edition, as adopted in the Montana state building code · ARM 24.301.131; ARM 24.301.109; ARM 24.301.146 (modifications)

    The Montana IBC record

Montana laws that name EV charging equipment

On the site: two laws, rules, orders, and bills, newest first.

Law or ruleKindStageDateWhat it does
SB 228 (2025); MCA 15-70-801 to 805 public charging station requirementsafdc.energy.govStatuteLead onlyIn forceJul 1, 2025Public stations above 25 kW must register with MDT within 30 days, post rates and install meters; legacy stations must add vehicle-delivery metering by 2028; 3 cents/kWh tax. Source (opens in a new tab)
MCA 69-8-803 EVSE not a public utilityafdc.energy.govStatuteLead onlyIn force–Operators of electric vehicle supply equipment are not classified as public utilities under this section. Source (opens in a new tab)

Every Montana law on EV charging equipment, with filters

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use