---
type: "Bill"
title: "Defining and regulating motorized scooters"
description: "Defining and regulating motorized scooters"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 588"
citation: "Montana HB 588 (2025)"
classification: ["bill"]
subjects: ["Motor Vehicles"]
status: "enacted"
primary_sponsors: ["Neil Duram"]
version_count: 49
action_count: 37
vote_count: 8
first_action: "2024-12-14T16:48:35+00:00"
last_action: "2025-05-19T17:25:34+00:00"
source: "openstates"
source_identifier: "ocd-bill/8fbe25c7-826c-4ddc-a463-d85a7dc803de"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3371?open_tab=sum"
source_hash: "712e8cb81f17b05a3b3558676596a687d37f094e6a0847b17f9355d89d43458a"
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 588 (2025) — Defining and regulating motorized scooters

## Version chain

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

1. **HB0588.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296451)
2. **HB0588.001.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296524)
3. **HB0588.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296527)
4. **HB0588.001.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296607)
5. **HB0588.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296609)
6. **HB0588.001.005_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297067)
7. **HB0588.001.005_combo_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297066)
8. **HB0588_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=285046)
9. **HB0588_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=292595)
10. **HB0588_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=292862)
11. **HB0588_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296874)
12. **HB0588_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296875)
13. **HB0588_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297983)
14. **HB0588_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297984)
15. **HB0588_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297985)
16. **HB0588_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297986)
17. **HB0588_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284447)
18. **HB0588_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297988)
19. **HB0588_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314100)
20. **HB0588_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323307)
21. **HB0588_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323308)
22. **HB0588_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323309)
23. **HB0588_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323310)
24. **HB0588_2(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323311)
25. **HB0588_2(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323312)
26. **HB0588_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297990)
27. **HB0588_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298156)
28. **HB0588_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298164)
29. **HB0588_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298182)
30. **HB0588_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298183)
31. **HB0588_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298184)
32. **HB0588_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304166)
33. **HB0588_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314098)
34. **HB0588_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297987)
35. **HB0588_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314107)
36. **HB0588_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325090)
37. **HB0588_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325091)
38. **HB0588_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325092)
39. **HB0588_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326846)
40. **HB0588_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314782)
41. **HB0588_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314783)
42. **HB0588_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317201)
43. **HB0588_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320749)
44. **HB0588_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323305)
45. **HB0588_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323306)
46. **HB0588_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323313)
47. **HB0588_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325080)
48. **HB0588_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314101)
49. **LC3371.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281352)

## Votes

- Do Concur — **39–10** (pass) · upper
- Do Pass — **60–39** (pass) · lower
- do_pass — **14–0** (pass) · lower
- Do Concur — **89–10** (pass) · lower
- Do Concur — **37–13** (pass) · upper
- be_concurred_in_as_amended — **8–0** (pass) · upper
- Do Pass — **56–42** (pass) · lower
- Do Concur — **100–0** (pass) · lower

## Sponsors

- Neil Duram — primary (person)

## Timeline

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

- **2024-12-14T16:48:35+00:00** (LC) Drafter Assigned
- **2025-02-08T16:45:36+00:00** (LC) Draft in Legal Review
- **2025-02-08T23:33:49+00:00** (LC) Draft in Edit
- **2025-02-12T16:13:52+00:00** (LC) Draft in Input/Proofing
- **2025-02-12T20:07:42+00:00** (LC) Draft in Final Drafter Review
- **2025-02-12T22:11:27+00:00** (LC) Draft in Assembly
- **2025-02-13T13:37:35+00:00** (LC) Draft Ready for Delivery
- **2025-02-18T15:57:40+00:00** (LC) Draft Delivered to Requester
- **2025-02-19T21:50:55+00:00** (H) Introduced
- **2025-02-20T18:54:47+00:00** (H) Referred to Committee - (H) Transportation `referral-committee`
- **2025-02-20T19:51:28+00:00** (H) First Reading `reading-1`
- **2025-02-21T21:12:06+00:00** (H) Hearing - (H) Transportation
- **2025-02-27T01:36:49+00:00** (H) Committee Executive Action--Bill Passed - (H) Transportation `committee-passage`
- **2025-02-27T20:12:00+00:00** (H) Committee Report--Bill Passed - (H) Transportation `committee-passage`
- **2025-03-04T21:08:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-05T15:31:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-05T16:06:33+00:00** (H) Transmitted to Senate
- **2025-03-06T16:46:18+00:00** (S) Referred to Committee - (S) Highways and Transportation `referral-committee`
- **2025-03-17T15:48:59+00:00** (S) Hearing - (S) Highways and Transportation
- **2025-03-21T21:27:26+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) Highways and Transportation
- **2025-03-24T20:28:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) Highways and Transportation
- **2025-04-02T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-02T21:39:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-03T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-03T19:36:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-03T21:27:54+00:00** (S) Returned to House with Amendments
- **2025-04-16T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-16T20:14:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-17T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-17T22:01:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-18T20:02:36+00:00** (H) Sent to Enrolling
- **2025-04-23T14:25:15+00:00** (H) Returned from Enrolling
- **2025-05-02T17:00:20+00:00** (H) Signed by Speaker `passage`
- **2025-05-06T20:00:07+00:00** (S) Signed by President `passage`
- **2025-05-07T15:03:52+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-13T18:54:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-19T17:25:34+00:00** 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/8fbe25c7-826c-4ddc-a463-d85a7dc803de`. Confidence: reported (aggregated from official Montana legislature records).