---
type: "Bill"
title: "Prohibit the sale of lab-grown meat in the state of Montana"
description: "Prohibit the sale of lab-grown meat in the state of Montana"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 401"
citation: "Montana HB 401 (2025)"
classification: ["bill"]
subjects: ["Agriculture", "Crimes", "Livestock", "Rule Making"]
status: "enacted"
primary_sponsors: ["Braxton Mitchell"]
version_count: 32
action_count: 47
vote_count: 6
first_action: "2024-11-12T16:35:21+00:00"
last_action: "2025-05-05T15:19:08+00:00"
source: "openstates"
source_identifier: "ocd-bill/aee7c53f-7750-495c-b226-6652cb39ceca"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC1338?open_tab=sum"
source_hash: "5aac32d75acf1dbdcd8ab7b4ca5dd6bd95414db7a9651d61df40d2bd4f861161"
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 401 (2025) — Prohibit the sale of lab-grown meat in the state of Montana

## Version chain

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

1. **HB0401.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284724)
2. **HB0401.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284723)
3. **HB0401_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=279684)
4. **HB0401_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281156)
5. **HB0401_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288487)
6. **HB0401_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288489)
7. **HB0401_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288490)
8. **HB0401_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288491)
9. **HB0401_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=279347)
10. **HB0401_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288493)
11. **HB0401_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293327)
12. **HB0401_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=302500)
13. **HB0401_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310074)
14. **HB0401_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310076)
15. **HB0401_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288496)
16. **HB0401_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288497)
17. **HB0401_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288611)
18. **HB0401_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288613)
19. **HB0401_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288615)
20. **HB0401_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288616)
21. **HB0401_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288617)
22. **HB0401_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288618)
23. **HB0401_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288492)
24. **HB0401_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320126)
25. **HB0401_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321297)
26. **HB0401_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321453)
27. **HB0401_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321454)
28. **HB0401_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321455)
29. **HB0401_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324649)
30. **HB0401_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326134)
31. **HB0401_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316514)
32. **LC1338.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269628)

## Votes

- Do Concur — **39–11** (pass) · upper
- Do Concur — **34–14** (pass) · upper
- do_pass_as_amended — **10–7** (pass) · lower
- Do Pass — **64–35** (pass) · lower
- Do Pass — **64–35** (pass) · lower
- be_concurred_in — **10–1** (pass) · upper

## Sponsors

- Braxton Mitchell — primary (person)

## Timeline

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

- **2024-11-12T16:35:21+00:00** (LC) Drafter Assigned
- **2024-12-10T17:47:22+00:00** (LC) Draft in Legal Review
- **2024-12-20T21:29:57+00:00** (LC) Draft in Edit
- **2024-12-30T17:12:27+00:00** (LC) Draft in Input/Proofing
- **2024-12-30T20:52:45+00:00** (LC) Draft in Final Drafter Review
- **2024-12-31T18:43:41+00:00** (LC) Drafter Assigned
- **2025-01-05T21:05:20+00:00** (LC) Draft in Legal Review
- **2025-01-06T18:10:40+00:00** (LC) Draft in Edit
- **2025-01-06T21:12:54+00:00** (LC) Draft in Input/Proofing
- **2025-01-07T00:14:04+00:00** (LC) Draft in Final Drafter Review
- **2025-01-07T16:20:37+00:00** (LC) Draft in Assembly
- **2025-01-08T16:36:37+00:00** (LC) Draft Ready for Delivery
- **2025-02-04T19:53:35+00:00** (LC) Draft Delivered to Requester
- **2025-02-05T22:13:43+00:00** (H) Introduced
- **2025-02-05T22:20:59+00:00** (H) Fiscal Note Requested
- **2025-02-06T17:55:41+00:00** (H) Referred to Committee - (H) Agriculture `referral-committee`
- **2025-02-06T20:22:00+00:00** (H) First Reading `reading-1`
- **2025-02-06T22:51:14+00:00** (H) Hearing - (H) Agriculture
- **2025-02-26T00:09:15+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Agriculture `committee-passage`
- **2025-02-26T15:22:00+00:00** (H) Fiscal Note Received `receipt`
- **2025-02-26T16:24:37+00:00** (H) Fiscal Note Unsigned
- **2025-02-26T19:25:00+00:00** (H) Fiscal Note Printed
- **2025-02-26T20:29:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Agriculture `committee-passage`
- **2025-02-27T16:54:58+00:00** (H) Revised Fiscal Note Requested
- **2025-03-03T23:46:45+00:00** (H) Revised Fiscal Note Signed
- **2025-03-04T15:02:25+00:00** (H) Revised Fiscal Note Printed
- **2025-03-04T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-05T00:32:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-06T15:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-06T15:26:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-06T19:13:36+00:00** (H) Transmitted to Senate
- **2025-03-14T23:06:17+00:00** (S) First Reading `reading-1`
- **2025-03-14T23:21:00+00:00** (S) Referred to Committee - (S) Agriculture, Livestock and Irrigation `referral-committee`
- **2025-03-27T23:41:28+00:00** (S) Hearing - (S) Agriculture, Livestock and Irrigation
- **2025-04-01T22:50:19+00:00** (S) Committee Executive Action--Bill Concurred - (S) Agriculture, Livestock and Irrigation
- **2025-04-02T19:40:00+00:00** (S) Committee Report--Bill Concurred - (S) Agriculture, Livestock and Irrigation
- **2025-04-12T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-12T15:33:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-14T16:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-14T17:54:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-14T17:54:33+00:00** (H) Sent to Enrolling
- **2025-04-15T17:35:11+00:00** (H) Returned from Enrolling
- **2025-04-23T22:30:00+00:00** (H) Signed by Speaker `passage`
- **2025-04-25T13:30:00+00:00** (S) Signed by President `passage`
- **2025-04-25T17:55:00+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:14:29+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-05T15:19:08+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/aee7c53f-7750-495c-b226-6652cb39ceca`. Confidence: reported (aggregated from official Montana legislature records).