AED laws by state › Montana
AED Laws in Montana (2026)
Short answer: Montana requires AEDs in schools: administrative rule (not statute) requires schools to have AEDs in accessible locations. There is no statewide gym AED mandate. Like every state, it gives Good Samaritan immunity to people who use an AED in good faith. Verified 1 Oct 2026 against the state code and the SCA Foundation review.
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Montana AED requirements at a glance
| Setting | Status in Montana | What we found | Law |
|---|---|---|---|
| K-12 schools | Required | Administrative rule (not statute) requires schools to have AEDs in accessible locations | ARM 37.111.812 (see also MCA 20-7-1315) |
| Gyms and health clubs | No statewide mandate found | Not among the 14 states the SCA Foundation lists | see sources |
| Government buildings | No statewide mandate verified | No state-building mandate verified | none found |
| Private workplaces | No general mandate found | No general private workplace mandate found | none found |
| Good Samaritan immunity | Yes | Protects people who use an AED in good faith | SCA Foundation review of state laws |
AEDs in Montana schools
Montana requires AEDs in schools. Administrative rule (not statute) requires schools to have AEDs in accessible locations. The law is ARM 37.111.812 (see also MCA 20-7-1315).
AEDs in Montana gyms and health clubs
Montana has no statewide AED mandate for gyms or health clubs. Many clubs still keep one because members are high-risk and insurers ask about it.
Workplaces and government buildings in Montana
We found no general Montana law that requires private employers to have an AED, and no verified mandate for state buildings. Federal OSHA does not require AEDs either, though it encourages employers to consider them. Local fire codes and building codes can add requirements, so check with your local authority.
Good Samaritan protection in Montana
Every state protects people who use an AED in good faith from civil liability (SCA Foundation review of state AED laws). Most of these laws expect the AED to be maintained and, in some states, registered with local EMS. A unit with expired pads or a dead battery can weaken the protection.
Montana AED law: questions buyers ask
Are AEDs required in Montana schools?
Montana requires AEDs in schools: administrative rule (not statute) requires schools to have AEDs in accessible locations.
Do gyms in Montana need an AED?
No. Montana has no statewide gym AED mandate.
Is there Good Samaritan protection for AED use in Montana?
Yes. Montana protects people who use an AED in good faith from civil liability.
Do Montana employers have to provide an AED?
No general Montana law requires private employers to have one. OSHA encourages AEDs but does not require them.
Sources
Last verified 1 Oct 2026. This page summarises the law for buyers and is not legal advice. Read the statute or ask counsel before you rely on it.