---
type: "Bill"
title: "Generally revise vehicle laws"
description: "Generally revise vehicle laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 83"
citation: "Montana HB 83 (2021)"
classification: ["bill"]
subjects: ["Motor Vehicles (see also: Taxation--Trans; Traffic Regulations; Transportation)"]
status: "enacted"
primary_sponsors: ["Julie Dooling"]
version_count: 4
action_count: 44
vote_count: 6
first_action: "2020-09-11"
last_action: "2021-04-01"
source: "openstates"
source_identifier: "ocd-bill/928acf28-1efa-4c3e-a260-dcda3e5d0497"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=83&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "3d5e793bcb520670c2dd48309c6b512e853bf01ef990c6ecfe0be128a4424f56"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mt"]
---

# Montana HB 83 (2021) — Generally revise vehicle laws

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **HB0083_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0099//HB0083_1.pdf)
2. **HB0083_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0099//HB0083_2.pdf)
3. **HB0083_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0099//HB0083_X.pdf)
4. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0083.pdf)

## Votes

- Do Pass — **98–2** (pass) · lower
- Do Concur — **48–2** (pass) · upper
- DO PASS AS AMENDED — **15–0** (pass) · lower
- BE CONCURRED IN — **13–0** (pass) · upper
- Do Concur — **49–1** (pass) · upper
- Do Pass — **96–3** (pass) · lower

## Sponsors

- Julie Dooling — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2020-09-11** Draft Request Received
- **2020-12-09** Draft in Legal Review
- **2020-12-09** Draft in Edit
- **2020-12-11** Draft to Drafter - Edit Review
- **2020-12-11** Draft in Input/Proofing
- **2020-12-11** Draft in Final Drafter Review
- **2020-12-11** Bill Draft Text Available Electronically
- **2020-12-11** Executive Director Review
- **2020-12-12** Draft in Assembly
- **2020-12-15** Introduced Bill Text Available Electronically
- **2020-12-15** Introduced `introduction`
- **2020-12-24** Referred to Committee - (H) Transportation `referral-committee`
- **2020-12-29** Fiscal Note Requested
- **2021-01-04** First Reading - (H) Transportation `reading-1`
- **2021-01-06** Hearing - (H) Transportation
- **2021-01-08** Amendments Available
- **2021-01-12** Fiscal Note Received
- **2021-01-12** Fiscal Note Signed
- **2021-01-12** Fiscal Note Printed
- **2021-01-13** Committee Executive Action--Bill Passed as Amended - (H) Transportation `committee-passage`
- **2021-01-14** Committee Report--Bill Passed as Amended - (H) Transportation `committee-passage`
- **2021-01-18** Scheduled for 2nd Reading
- **2021-01-18** 2nd Reading Passed `reading-2`
- **2021-01-19** Scheduled for 3rd Reading
- **2021-01-19** 3rd Reading Passed `passage, reading-3`
- **2021-01-19** Transmitted to Senate
- **2021-01-20** First Reading `reading-1`
- **2021-01-20** Referred to Committee - (S) Highways and Transportation `referral-committee`
- **2021-02-11** Hearing - (S) Highways and Transportation
- **2021-02-16** Committee Executive Action--Bill Concurred - (S) Highways and Transportation
- **2021-02-17** Committee Report--Bill Concurred - (S) Highways and Transportation
- **2021-03-15** Scheduled for 2nd Reading
- **2021-03-15** 2nd Reading Concurred `reading-2`
- **2021-03-16** Scheduled for 3rd Reading
- **2021-03-16** 3rd Reading Concurred `passage, reading-3`
- **2021-03-16** Returned to House
- **2021-03-17** Sent to Enrolling
- **2021-03-23** Returned from Enrolling
- **2021-03-23** Printed - Enrolled Version Available
- **2021-03-26** Signed by Speaker
- **2021-03-26** Signed by President
- **2021-03-26** Transmitted to Governor `executive-receipt`
- **2021-03-31** Signed by Governor `executive-signature`
- **2021-04-01** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/928acf28-1efa-4c3e-a260-dcda3e5d0497`. Confidence: reported (aggregated from official Montana legislature records).