Montana

Felony DUI

Fourth offense

DUID Zero Tolerance and Per Se Laws

Per se limit greater than zero for some drugs

Cannabis Drug-Impaired Driving Laws

THC per se (5 nanograms)

DUI Child Endangerment Laws

Enhanced penalties

Enhanced Penalties for High-BAC

0.16

DUI Look-back Periods

Ten years

Open Container - Alcohol

In compliance with Federal requirements

Good Samaritan

Good Samaritan law enacted

Test Refusal

Administrative penalties

24/7 Programs

Statewide program

Administrative License Suspension/Revocation

No ALS/ALR law

Sobriety Checkpoints

Alternative to checkpoints

Habitual Offender Designation

Habitual Offender Law Enacted

Drug Evaluation and Classification Program

51-100 DREs

DUI Courts - Standalone

1-5 DUI Courts

DUI Courts - Hybrid

1-5 Hybrid Courts

Open Container - Cannabis

No cannabis open container law

Cannabis Laws (2020)

Medical Cannabis

DUID: Implied Consent Testing Methods

Blood and urine

DUID Affirmative Defense

No affirmative defense

Anti-Plea Bargaining Statutes

eWarrant Case Study Sites

Not authorized to use e-warrants

Preliminary Breath Test (PBT) Laws

2016 Enacted Impaired Driving and Underage Drinking Legislation

None

Lower BAC legislation

No legislation introduced

Low BAC

Low BAC may be considered with other evidence

CARS Implementation

none

2017 New Impaired Driving and Underage Drinking Laws

Alcohol-impaired Driving Legislation

Ignition Interlocks

Discretionary

Electronic Warrants (E-warrants) Authorization

Legislation

Top Detected Drug Category by State (2019)

Cannabis

2019 Enacted Impaired Driving & Underage Drinking Legislation

Impaired Driving Legislation

2019 Legislative Activity

Active

False Identification - Sanctions

Judicial license suspension/revocation

False Identification - Point-of-Sale Policies

No Distinctive License & No Seizure Law

No Refusal Programs

Lacks authorization

Oral Fluid Testing

No authorization