---
type: "Bill"
title: "Revise civil liability laws"
description: "Revise civil liability laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 642"
citation: "Montana HB 642 (2025)"
classification: ["bill"]
subjects: ["Liability"]
status: "enacted"
primary_sponsors: ["Greg Overstreet"]
version_count: 19
action_count: 37
vote_count: 6
first_action: "2024-12-08T21:09:39+00:00"
last_action: "2025-05-05T17:10:37+00:00"
source: "openstates"
source_identifier: "ocd-bill/2a8a3755-c2d5-4ba6-bf6a-70160c979e54"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC2448?open_tab=sum"
source_hash: "4de7e6d46e00ee8f6dedb4b3351423efcd0e1c7bb593647f09f8360cea8105e8"
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 642 (2025) — Revise civil liability laws

## Version chain

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

1. **HB0642.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290367)
2. **HB0642.001.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290368)
3. **HB0642_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=291163)
4. **HB0642_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316430)
5. **HB0642_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311993)
6. **HB0642_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313156)
7. **HB0642_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321628)
8. **HB0642_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324703)
9. **HB0642_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326605)
10. **HB0642_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313157)
11. **HB0642_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313191)
12. **HB0642_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313192)
13. **HB0642_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313203)
14. **HB0642_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317116)
15. **HB0642_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320681)
16. **HB0642_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321626)
17. **HB0642_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321627)
18. **HB0642_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312345)
19. **LC2448.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284646)

## Votes

- Do Pass — **57–42** (pass) · lower
- Do Concur — **33–17** (pass) · upper
- Do Pass — **57–42** (pass) · lower
- do_pass_as_amended — **12–8** (pass) · lower
- Do Concur — **34–16** (pass) · upper
- be_concurred_in — **5–3** (pass) · upper

## Sponsors

- Greg Overstreet — primary (person)

## Timeline

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

- **2024-12-08T21:09:39+00:00** (LC) Drafter Assigned
- **2024-12-08T21:09:39+00:00** (LC) Draft On Hold
- **2025-02-15T23:05:42+00:00** (LC) Draft Taken Off Hold
- **2025-02-17T04:27:01+00:00** (LC) Draft in Legal Review
- **2025-02-17T13:52:34+00:00** (LC) Draft in Edit
- **2025-02-19T21:28:42+00:00** (LC) Draft in Input/Proofing
- **2025-02-20T17:26:20+00:00** (LC) Draft in Final Drafter Review
- **2025-02-20T20:55:41+00:00** (LC) Draft in Assembly
- **2025-02-21T15:13:15+00:00** (LC) Draft Ready for Delivery
- **2025-02-21T19:55:47+00:00** (LC) Draft Delivered to Requester
- **2025-02-21T22:26:25+00:00** (H) Introduced
- **2025-02-22T15:23:47+00:00** (H) Referred to Committee - (H) Judiciary `referral-committee`
- **2025-02-22T16:10:00+00:00** (H) First Reading `reading-1`
- **2025-02-24T21:14:12+00:00** (H) Hearing - (H) Judiciary
- **2025-03-01T19:50:49+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2025-03-01T22:45:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2025-03-06T15:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-06T15:32:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-07T15:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-07T17:13:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-07T18:00:00+00:00** (H) Transmitted to Senate
- **2025-03-14T23:06:17+00:00** (S) First Reading `reading-1`
- **2025-03-14T23:43:00+00:00** (S) Referred to Committee - (S) Judiciary `referral-committee`
- **2025-03-24T09:28:13+00:00** (S) Hearing - (S) Judiciary
- **2025-03-28T17:40:58+00:00** (S) Committee Executive Action--Bill Concurred - (S) Judiciary
- **2025-03-28T21:46:00+00:00** (S) Committee Report--Bill Concurred - (S) Judiciary
- **2025-04-14T19:30:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T20:22:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-15T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T21:25:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-15T21:25:37+00:00** (H) Sent to Enrolling
- **2025-04-18T18:12:00+00:00** (H) Returned from Enrolling
- **2025-04-23T15:58:00+00:00** (H) Signed by Speaker `passage`
- **2025-04-24T17:30:00+00:00** (S) Signed by President `passage`
- **2025-04-24T21:45:28+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:14:29+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-05T17:10:37+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/2a8a3755-c2d5-4ba6-bf6a-70160c979e54`. Confidence: reported (aggregated from official Montana legislature records).