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Montana: rules and deadlines at a glance
Every 11 topic we track for Montana on one page. Open a topic for the details, the law it comes from and how Montana compares.
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Car insurance by state · Claim deadlines · Small claims limits · Total loss rules · Dog bite rules · Shared fault rules · Accident reporting rules · Phone-while-driving laws · Motorcycle helmet laws · Uninsured drivers
General information only, not legal, insurance or financial advice. Not affiliated with any government agency. Exceptions can apply; open a topic for the details.
| Personal injury | 3 years |
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| Property damage | 2 years |
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| Minimum liability | $25,000 / $50,000 / $20,000 |
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| Fault system | At-fault (the driver who caused it pays) |
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| Shared-fault rule | Modified comparative: barred at 51% fault or more |
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| Acknowledge | No fixed number of days; must act with reasonable promptness |
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| Accept or deny | 30 days after proof of loss (60 if more information is reasonably requested) |
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| Pay | 10% annual interest on late payments |
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| Dollar limit | $7,000 |
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| Filing fee | $30 |
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| Lawyers | Not unless every party has one |
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| Total loss rule | Total loss formula |
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| Rule | Strict liability |
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| Details | Strict liability in cities and towns |
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| Rule | Modified comparative negligence (51% bar) |
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| When you are barred | Barred if you are 51% or more at fault |
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| Report required if | Death, injury, or over $1,000 damage |
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| Deadline | Immediately |
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| Handheld ban | No |
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| Texting ban | No statewide ban |
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| Law type | Partial |
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| Who must wear one | Riders under 18 |
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| Drivers uninsured | 7.2% |
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| UM/UIM coverage | Not required (insurers must offer it) |
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