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Montana State law
State law — Montana
Offences by family
Against the person
Assault (aggravated) Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Aggravated assault (purposely/knowingly causing serious bodily injury; or with physical force/contact causing reasonable apprehension of serious bodily injury or death) Possibly — unconfirmed
- Imprisonment
- 0–20 years (state prison)
- Fine
- $0–$50,000
Felony. Penalty per secondary summaries — needs official re-check.
Assault with weapon (purposely/knowingly causing bodily injury with a weapon, or reasonable apprehension of serious bodily injury by use of a weapon or what reasonably appears to be a weapon) Possibly — unconfirmed
- Imprisonment
- 0–20 years (state prison)
- Fine
- $0–$50,000
Felony. Penalty per secondary summaries — needs official re-check.
First 2 years of an aggravated-assault sentence may not be deferred or suspended (§ 46-18-205). Neither penalty was quoted from an official source in session — both need official re-check.
Assault (simple) Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Assault (purposely/knowingly causing bodily injury; insulting/provoking physical contact; causing reasonable apprehension of bodily injury; or negligently causing bodily injury with a weapon) Possibly — unconfirmed
- Imprisonment
- 0–6 months (county jail)
- Fine
- $0–$500
Misdemeanour. Penalty per standard Montana misdemeanour range — needs official re-check.
The § 45-5-201 penalty (up to 6 months / $500) is the standard Montana misdemeanour penalty but was not quoted from an official source in session — needs official re-check. Assault on a peace officer/judicial officer (§ 45-5-210), assault on a minor (§ 45-5-212) and assault on a sports official (§ 45-5-211) carry enhanced penalties.
Domestic violence Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Partner or family member assault — 1st offence (purposely/knowingly causing bodily injury; negligently causing bodily injury with a weapon; or purposely/knowingly causing reasonable apprehension of bodily injury) Possibly — unconfirmed
- Imprisonment
- 24 hours–1 year (county jail)
- Fine
- $100–$1,000
Misdemeanour.
Partner or family member assault — 2nd offence Possibly — unconfirmed
- Imprisonment
- 72 hours–1 year (county jail)
- Fine
- $300–$1,000
Misdemeanour.
Partner or family member assault — 3rd or subsequent offence Possibly — unconfirmed
- Imprisonment
- 30 days–5 years (county jail if 1 year or less; state prison if over 1 year)
- Fine
- $500–$50,000
Felony-grade penalty. A felony assault (§ 45-5-202) against a partner/family member counts as a prior conviction for this count.
Third-tier text is from older MCA pages on leg.mt.gov/mca.legmt.gov; the 2025 Justia snippet confirmed the 1st/2nd tiers but was truncated before the 3rd tier — needs official re-check against the current section. Offenders must also complete a counselling assessment and at least 25 hours of counselling (§ 45-5-206(4)). Strangulation of a partner or family member (§ 45-5-215) is a separate felony and is not tiered here.
Homicide — manslaughter Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Mitigated deliberate homicide (deliberate homicide committed under the influence of extreme mental or emotional disturbance for which there is a reasonable explanation or excuse) Possibly — unconfirmed
- Imprisonment
- 2–40 years (state prison)
- Fine
- $0–$50,000
Per secondary summaries — needs official re-check.
Negligent homicide (negligently causing the death of another human being) Possibly — unconfirmed
- Imprisonment
- 0–20 years (state prison)
- Fine
- $0–$50,000
Per secondary summaries — needs official re-check.
Vehicular homicide while under the influence Possibly — unconfirmed
- Imprisonment
- 0–30 years (state prison)
- Fine
- $0–$50,000
Per secondary summaries — needs official re-check.
No penalty text for §§ 45-5-103/45-5-104 was read in session; tiers are from FindLaw/Wikipedia summaries and need official re-check.
Homicide — murder Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Deliberate homicide (purposely/knowingly causing death; felony murder during robbery, sexual intercourse without consent, arson, burglary, kidnapping, aggravated kidnapping, felonious escape, assault with a weapon, aggravated assault or any other forcible felony; or purposely/knowingly causing the death of another's fetus knowing the woman is pregnant) Possibly — unconfirmed
- Imprisonment
- Death, life imprisonment, life without parole, or 10–100 years (state prison)
- Fine
- Not stated
Death only for offenders 18+ at the time of the offence and only for the aggravated circumstances in § 46-18-303.
First 10 years of a deliberate-homicide sentence may not be deferred or suspended (§ 46-18-205). The death penalty remains on the books but Montana has carried out no execution since 2006 and lethal-injection practice has been suspended since a 2015 court ruling (FindLaw). No fine is stated for deliberate homicide.
Sexual offences
Sexual assault / rape Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Sexual assault — 1st conviction (sexual contact without consent) Possibly — unconfirmed
- Imprisonment
- 0–6 months (county jail)
- Fine
- $0–$500
Misdemeanour (§ 45-5-502(2)(a), 2015 text) — needs official re-check.
Sexual assault — 2nd conviction Possibly — unconfirmed
- Imprisonment
- 0–1 year (county jail)
- Fine
- $0–$1,000
Misdemeanour (§ 45-5-502(2)(b), 2015 text) — needs official re-check.
Sexual assault — 3rd or subsequent conviction Possibly — unconfirmed
- Imprisonment
- 0–5 years
- Fine
- $0–$10,000
Felony (§ 45-5-502(2)(c), 2015 text) — needs official re-check.
Sexual assault — victim under 16 and offender 3+ years older, or bodily injury inflicted in the course of the offence Possibly — unconfirmed
- Imprisonment
- Life imprisonment or 4–100 years (state prison)
- Fine
- $0–$50,000
§ 45-5-502(3), 2015 text — needs official re-check.
Sexual intercourse without consent Possibly — unconfirmed
- Imprisonment
- Life imprisonment or 0–20 years (state prison)
- Fine
- $0–$50,000
§ 45-5-503(2) (official MCA 2025 text).
Sexual intercourse without consent — victim under 16 and offender 4+ years older, or bodily injury inflicted Possibly — unconfirmed
- Imprisonment
- Life imprisonment or 4–100 years (state prison)
- Fine
- $0–$50,000
§ 45-5-503(3)(a) (official MCA 2025 text).
Sexual intercourse without consent — two or more offenders present with the same victim Possibly — unconfirmed
- Imprisonment
- Life imprisonment or 5–100 years (state prison)
- Fine
- $0–$50,000
§ 45-5-503(3)(b) (official MCA 2025 text).
§ 45-5-503 tiers verified from the official MCA 2025 text on leg.mt.gov. § 45-5-502 tiers are from a 2015 mtjuris mirror and need official re-check against the current section.
Property
Burglary Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Burglary (knowingly entering/remaining unlawfully in an occupied structure with purpose to commit an offence, or committing an offence inside) Possibly — unconfirmed
- Imprisonment
- 0–20 years (state prison)
- Fine
- $0–$50,000
Felony.
Aggravated burglary (burglary while armed with explosives or a weapon, or purposely/knowingly/negligently inflicting or attempting to inflict bodily injury) Possibly — unconfirmed
- Imprisonment
- 0–40 years (state prison)
- Fine
- $0–$50,000
Felony.
Burglary requires entry/remaining unlawfully in an occupied structure with purpose to commit an offence (or committing an offence inside). Aggravated burglary requires being armed with explosives/a weapon, or inflicting/attempting to inflict bodily injury. Tiers quote MCA text via a secondary flashcard source — needs official re-check.
Robbery Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Robbery (purposely/knowingly inflicting bodily injury, threatening bodily injury, or committing/ threatening another felony, in the course of committing theft or fleeing after it) Possibly — unconfirmed
- Imprisonment
- 2–40 years (state prison)
- Fine
- $0–$50,000
Felony.
First 2 years of a robbery sentence may not be deferred or suspended (§ 46-18-205). Tier is from a secondary legal guide quoting MCA § 45-5-401 — needs official re-check.
Theft Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Theft of property not exceeding $1,500 in value — 1st offence Possibly — unconfirmed
- Imprisonment
- 0–6 months (county jail)
- Fine
- $0–$1,500
Misdemeanour.
Theft of property not exceeding $1,500 in value — 2nd offence Possibly — unconfirmed
- Imprisonment
- 0–6 months (county jail)
- Fine
- $1,500
Fine is a fixed $1,500 per the older text — needs official re-check against the current section.
Theft of property not exceeding $1,500 in value — 3rd or subsequent offence Possibly — unconfirmed
- Imprisonment
- 2–5 years (state prison)
- Fine
- $0–$5,000
Per the 2025 Justia snippet — needs official re-check; older text imposed only a $1,500 fine and 30 days–6 months jail.
Theft of property exceeding $1,500 in value; or any amount of anhydrous ammonia for manufacturing dangerous drugs; or theft of a light vehicle Possibly — unconfirmed
- Imprisonment
- 0–10 years (state prison)
- Fine
- $0–$50,000
Felony.
Theft of a commonly domesticated hoofed animal Possibly — unconfirmed
- Imprisonment
- 0–10 years (state prison)
- Fine
- $5,000–$50,000
Felony. If a prison term is deferred, 416 hours of community service in 1 year is required; property subject to criminal forfeiture.
Theft of property exceeding $10,000 in value by embezzlement Possibly — unconfirmed
- Imprisonment
- 1–10 years (state prison)
- Fine
- $0–$50,000
Felony. Court may order probation with restitution.
CONFLICT: a Justia 2025 snippet of § 45-9-301/45-6-301 suggests a $5,000 threshold tier (theft over $5,000: fine up to $10,000 / up to 10 years). The mtjuris MCA 2025 text used here grades felony theft at over $1,500 (fine up to $50,000 / up to 10 years). The conflict needs official re-check before reliance. Amounts from a common scheme/transaction may be aggregated.
Vandalism / criminal damage Verification pending
No reliable figure exists yet for this entry. No figure is shown.
No penalty text for MCA § 45-6-101 was retrieved in session. Range not verified — do not rely on this entry until an official re-check is done.
Fraud & financial
Fraud Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Fraud by deception — value $1,500 or less, 1st offence Possibly — unconfirmed
- Imprisonment
- 0–6 months (county jail)
- Fine
- $0–$1,500
Misdemeanour (theft grading).
Fraud by deception — value over $1,500 Possibly — unconfirmed
- Imprisonment
- 0–10 years (state prison)
- Fine
- $0–$50,000
Felony (theft grading). Subject to the threshold conflict noted in the theft entry.
Fraud tiers follow the theft grading in § 45-6-301 (see theft entry, including the $1,500/$5,000 threshold conflict). Forgery (§ 45-6-325: up to 20 years / $50,000 per secondary summaries) and sector-specific frauds are not tiered here.
Drugs
Drug possession Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Criminal possession of dangerous drugs — 1st conviction (non-marijuana) Possibly — unconfirmed
- Imprisonment
- 0–1 year
- Fine
- $0–$1,000
Misdemeanour, per secondary summaries — needs official re-check.
Criminal possession of dangerous drugs — 2nd or subsequent conviction Possibly — unconfirmed
- Imprisonment
- 0–5 years
- Fine
- $0–$5,000
Per secondary summaries — needs official re-check.
Possession of marijuana over the legal limit Possibly — unconfirmed
- Imprisonment
- 0–1 year
- Fine
- $0–$1,000
Per secondary summaries — needs official re-check.
Adults 21+ may lawfully possess up to 1 oz of marijuana / 8 g of concentrate under Title 16, chapter 12 (Montana Marijuana Regulation and Taxation Act) — possession within those limits is lawful and is not tiered here. Quantity-based felony tiers for opiates/fentanyl in § 45-9-102(4) exist but were not verified in session. All tiers below are from secondary summaries of § 45-9-102 and need official re-check.
Drug trafficking / sale Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Criminal distribution of dangerous drugs — 1st conviction Possibly — unconfirmed
- Imprisonment
- 1 year–life
- Fine
- $0–$50,000
Per secondary summaries — needs official re-check.
Criminal distribution of dangerous drugs — 2nd conviction Possibly — unconfirmed
- Imprisonment
- 2 years–life
- Fine
- $0–$50,000
Per secondary summaries — needs official re-check.
Criminal distribution of dangerous drugs — 3rd or subsequent conviction Possibly — unconfirmed
- Imprisonment
- 5 years–life
- Fine
- $0–$50,000
Per secondary summaries — needs official re-check.
Criminal possession with intent to distribute (any dangerous drug) Possibly — unconfirmed
- Imprisonment
- 0–20 years
- Fine
- $0–$50,000
§ 45-9-103(2).
Criminal possession with intent to distribute fentanyl Possibly — unconfirmed
- Imprisonment
- 2–40 years
- Fine
- $0–$50,000
§ 45-9-103(3). First 2 years may not be suspended/deferred; no parole during first 2 years.
Criminal distribution on or near school property (within 1,000 feet of a public/private elementary or secondary school) Possibly — unconfirmed
- Imprisonment
- 3 years–life
- Fine
- $0–$50,000
§ 45-9-109(2).
Distribution tiers are from secondary summaries and need official re-check against the current § 45-9-101. First 2 years of a distribution/possession-with-intent sentence generally may not be deferred or suspended (§ 46-18-205). Distribution on/near school property carries its own 3-years-to-life tier (§ 45-9-109).
Weapons
Weapons offences Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
Unlawful possession of a firearm by a convicted person (felony with § 46-18-221 weapon sentence, equivalent out-of-state/federal offence, or registration-required felony) Possibly — unconfirmed
- Imprisonment
- 2–10 years (state prison)
- Fine
- Not stated
Felony. The statute states imprisonment only; no fine is prescribed. Does not apply to a person issued a permit under § 45-8-314.
Montana's felon-possession offence is narrow: it applies only to persons convicted of a felony for which they received an additional weapon sentence under § 46-18-221, an equivalent out-of-state/federal offence, or a felony requiring sexual/violent-offender registration. Montana is a constitutional-carry state (HB 102, 2021); lawful carry by non-prohibited persons is not an offence. Weapon enhancement § 46-18-221 adds 2–10 years (consecutive, non-suspendable) for offences committed with a dangerous weapon.
Traffic & transport
DUI / drink driving Possibly — unconfirmed
Reported range, not yet confirmed against official text. Do not rely on this — awaiting confirmation.
Statutory range — reported, not yet confirmed
DUI — 1st offence Possibly — unconfirmed
- Imprisonment
- 24 hours–6 months
- Fine
- $600–$1,000
Misdemeanour. Per secondary summaries — needs official re-check.
DUI — 2nd offence within 10 years Possibly — unconfirmed
- Imprisonment
- 7 days–6 months
- Fine
- $1,200–$2,000
Misdemeanour. Per secondary summaries — needs official re-check.
DUI — 3rd offence within 10 years Possibly — unconfirmed
- Imprisonment
- 30 days–1 year
- Fine
- $2,500–$5,000
Misdemeanour. Per secondary summaries — needs official re-check.
DUI — 4th or subsequent offence within 10 years (felony DUI) Possibly — unconfirmed
- Imprisonment
- 13 months in Department of Corrections custody + up to 5 years probation
- Fine
- $0–$10,000
Felony. Per secondary summaries — needs official re-check.
No penalty text for the Montana DUI sections was read in session; all tiers are from standard secondary summaries and need official re-check against the current MCA (DUI provisions were recodified in 2021 at Title 61, chapter 8, part 10 — §§ 61-8-1001 et seq.; the older § 61-8-714 numbering may be superseded). Lookback period 10 years. Licence suspension/revocation, ignition interlock, chemical-dependency assessment and treatment are additional consequences.
Cyber & digital
Cybercrime / hacking Verification pending
No reliable figure exists yet for this entry. No figure is shown.
No penalty text for MCA § 45-6-311 (unlawful use of a computer) was retrieved in session. Range not verified — do not rely on this entry until an official re-check is done.