---
type: "Bill"
title: "Revise commercial drivers license laws to comply with federal requirements"
description: "Revise commercial drivers license laws to comply with federal requirements"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 47"
citation: "Montana SB 47 (2023)"
classification: ["bill"]
subjects: ["Highways and Roads", "Revenue", "State", "Traffic Regulations (see also: Motor Vehicles)"]
status: "enacted"
primary_sponsors: ["Theresa Manzella"]
version_count: 22
action_count: 73
vote_count: 14
first_action: "2022-09-26T15:10:59+00:00"
last_action: "2023-05-22T20:57:04+00:00"
source: "openstates"
source_identifier: "ocd-bill/e2aa3080-ab17-43d0-9d7f-6375d3f86ee7"
source_url: "https://bills.legmt.gov/#/bill/20231/LC0517"
source_hash: "13cbf56e751ea3b2b931f1ae2a654ded8a9a2cb608a28a0b3f72817b9da5a5d3"
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 SB 47 (2023) — Revise commercial drivers license laws to comply with federal requirements

## Version chain

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

1. **SB0047.001.001_A,mendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3217)
2. **SB0047.001.002_Amendments-in-Context_final-full (1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3218)
3. **SB0047.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3210)
4. **SB0047.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3214)
5. **SB0047.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3216)
6. **SB0047.002.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3215)
7. **SB0047.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3212)
8. **SB0047.002.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3213)
9. **SB0047.002.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3211)
10. **SB0047.003.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3219)
11. **SB0047.003.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=3220)
12. **SB0047001SCS15238.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10708)
13. **SB0047001SCS16510.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10709)
14. **SB0047002SCS12900.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10707)
15. **SB0047002SCS15238.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10710)
16. **SB0047002SCS16510.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10712)
17. **SB0047003SCS.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10711)
18. **SB0047_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=1942)
19. **SB0047_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=1941)
20. **SB0047_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=1938)
21. **SB0047_4.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=1939)
22. **SB0047_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=1940)

## Votes

- (S) 2nd Reading Pass Motion Failed — **23–27** (fail) · upper
- (S) 3rd Reading Passed as Amended by House — **45–5** (pass) · upper
- (S) 2nd Reading Indefinitely Postponed — **37–13** (pass) · upper
- (S) 2nd Reading Passed — **35–15** (pass) · upper
- (S) Motion Failed — **22–27** (fail) · upper
- (S) 2nd Reading House Amendments Concurred — **47–3** (pass) · upper
- (H) 3rd Reading Concurred — **96–2** (pass) · lower
- (S) Committee Executive Action--Bill Passed as Amended — **6–5** (pass) · upper
- (S) 3rd Reading Passed — **38–10** (pass) · upper
- (S) Committee Executive Action--Bill Passed as Amended — **12–7** (pass) · upper
- (H) Committee Executive Action--Bill Concurred as Amended — **15–0** (pass) · lower
- (H) 2nd Reading Concurred — **93–6** (pass) · lower
- (H) Committee Executive Action--Bill Concurred — **20–0** (pass) · lower
- (S) 2nd Reading Passed — **41–9** (pass) · upper

## Sponsors

- Theresa Manzella — primary (person)

## Timeline

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

- **2023-05-22T20:57:04+00:00** Chapter Number Assigned `became-law`
- **2023-05-19T18:22:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-05-11T22:30:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-05-11T22:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-05-04T17:00:00+00:00** (S) Signed by President `passage`
- **2023-05-02T16:28:04+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-05-02T16:28:03+00:00** (S) Returned from Enrolling
- **2023-04-28T00:27:22+00:00** (S) Sent to Enrolling
- **2023-04-27T19:44:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2023-04-27T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-26T19:21:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-04-26T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-20T14:06:23+00:00** (H) Returned to Senate with Amendments
- **2023-04-19T19:34:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-19T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-14T20:50:00+00:00** (H) Committee Report--Bill Concurred
- **2023-04-13T21:30:01+00:00** (H) Committee Executive Action--Bill Concurred
- **2023-04-13T21:30:00+00:00** (H) Hearing
- **2023-04-13T20:20:00+00:00** (H) Rereferred to Committee `referral-committee, referral-committee`
- **2023-04-13T20:12:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-13T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-06T19:34:32+00:00** (C) Printed - New Version Available
- **2023-04-06T19:14:00+00:00** (H) Committee Report--Bill Concurred as Amended
- **2023-04-05T21:00:01+00:00** (H) Committee Executive Action--Bill Concurred as Amended
- **2023-04-05T21:00:00+00:00** (H) Hearing
- **2023-04-03T15:01:03+00:00** (H) First Reading `reading-1`
- **2023-04-03T14:21:46+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-31T13:12:10+00:00** (S) Revised Fiscal Note Printed
- **2023-03-31T13:12:01+00:00** (C) Fiscal Note Unsigned
- **2023-03-31T13:11:52+00:00** (S) Revised Fiscal Note Received `receipt`
- **2023-03-31T13:00:22+00:00** (S) Transmitted to House
- **2023-03-30T20:52:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-03-29T19:12:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-27T22:23:15+00:00** (C) Printed - New Version Available
- **2023-03-27T19:26:00+00:00** (S) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-03-27T13:11:42+00:00** (S) Revised Fiscal Note Requested
- **2023-03-24T14:00:00+00:00** (S) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-03-15T15:00:00+00:00** (S) Hearing
- **2023-03-02T03:15:00+00:00** (S) Rereferred to Committee `referral-committee, referral-committee`
- **2023-03-02T02:53:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-01T21:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-03-01T20:16:00+00:00** (S) Reconsidered Previous Action; Remains in 2nd Reading Process `reading-2`
- **2023-03-01T20:14:00+00:00** (S) On Motion Rules Suspended
- **2023-02-06T22:17:00+00:00** (S) Motion Failed `failure`
- **2023-02-03T20:26:01+00:00** (S) 2nd Reading Indefinitely Postponed `reading-2, reading-2`
- **2023-02-03T20:26:00+00:00** (S) 2nd Reading Pass Motion Failed `failure, reading-2, reading-2`
- **2023-01-30T14:51:07+00:00** (C) Printed - New Version Available
- **2023-01-27T20:22:00+00:00** (S) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-01-26T01:20:00+00:00** (S) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-01-11T16:00:00+00:00** (S) Hearing
- **2023-01-10T15:10:17+00:00** (C) Amendments Available
- **2023-01-03T22:18:21+00:00** (S) Hearing Canceled
- **2023-01-02T19:56:43+00:00** (S) First Reading `reading-1`
- **2022-12-29T00:22:20+00:00** (S) Referred to Committee `referral-committee`
- **2022-12-13T00:31:39+00:00** (S) Fiscal Note Printed
- **2022-12-12T23:50:00+00:00** (S) Fiscal Note Signed
- **2022-12-12T23:18:59+00:00** (C) Introduced Bill Text Available Electronically
- **2022-12-12T22:02:00+00:00** (S) Fiscal Note Received `receipt`
- **2022-12-12T20:35:00+00:00** (S) Fiscal Note Requested
- **2022-12-08T22:36:07+00:00** (S) Introduced
- **2022-12-08T22:36:06+00:00** (C) Fiscal Note Probable
- **2022-11-22T17:38:44+00:00** (C) Draft in Assembly
- **2022-11-21T22:49:07+00:00** (C) Executive Director Review
- **2022-11-21T19:12:54+00:00** (C) Bill Draft Text Available Electronically
- **2022-11-21T19:12:53+00:00** (C) Draft in Final Drafter Review
- **2022-11-21T17:05:37+00:00** (C) Draft in Input/Proofing
- **2022-11-18T21:59:51+00:00** (C) Draft to Drafter - Edit Review
- **2022-11-17T20:34:23+00:00** (C) Draft in Edit
- **2022-11-17T16:36:00+00:00** (C) Draft in Legal Review
- **2022-11-16T14:52:27+00:00** (C) Draft to Requester for Review
- **2022-11-15T18:22:59+00:00** (C) Draft to Requester for Review
- **2022-11-04T16:20:22+00:00** (C) Draft to Requester for Review
- **2022-09-26T15:10:59+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e2aa3080-ab17-43d0-9d7f-6375d3f86ee7`. Confidence: reported (aggregated from official Montana legislature records).