Montana Code Annotated
Court Rules
MRCP
- Montana Rules of Civil Procedure
MRAP
- Montana Rules of Appellate Procedure
MRE
- Montana Rules of Evidence
UDCR
- Uniform District Court Rules
Other rules
Local Ordinances & Codes
Log in
Register
MCA / Rules Search
Montana Code Annotated (1999)
Table of Contents
/
TITLE 61. MOTOR VEHICLES
/
CHAPTER 8. TRAFFIC REGULATION
Part 4. Driving Under Influence of Alcohol or Drugs
Current Version
2025
,
2023
,
2021
,
2019
,
2017
,
2015
,
2013
,
2011
,
2009
,
2007
,
2005
,
2003
,
2001
, 1999,
1997
,
1995
61-8-401
- Driving under influence of alcohol or drugs
61-8-402
- Blood or breath tests for alcohol, drugs, or both
61-8-403
- Right of appeal to court
61-8-404
- Evidence admissible -- conditions of admissibility
61-8-405
- Administration of tests
61-8-406
- Operation of vehicle by a person with alcohol concentration of 0.10 or more
61-8-407
- Definition of alcohol concentration
61-8-408
- Multiple convictions prohibited
61-8-409
- Preliminary alcohol screening test
61-8-410
- Operation of vehicle by person under twenty-one with alcohol concentration of 0.02 or more
61-8-421
- Forfeiture procedure
61-8-422
- Prohibition on transfer, sale, or encumbrance of vehicles subject to seizure or forfeiture -- penalty
61-8-440
- Ignition interlock device -- assisting in starting and operating -- circumventing -- penalty
61-8-441
- Department rules regarding ignition interlock devices
61-8-442
- Driving under the influence of alcohol or drugs -- driving with excessive alcohol concentration -- ignition interlock device discretionary on first offense