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Fabio c5c7033001 Legislation: batch C — MO MS MT NC ND NE NH NJ NM NV 
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-06 17:27:28 -04:00

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---
type: "Bill"
title: "Limit government use of AI systems"
description: "Limit government use of AI systems"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 178"
citation: "Montana HB 178 (2025)"
classification: ["bill"]
subjects: ["Information Technology", "Privacy"]
status: "enacted"
primary_sponsors: ["Braxton Mitchell"]
version_count: 50
action_count: 40
vote_count: 8
first_action: "2024-11-12T16:36:48+00:00"
last_action: "2025-05-08T16:11:12+00:00"
source: "openstates"
source_identifier: "ocd-bill/f6558e36-fde4-40a9-a349-d88fd44dbe39"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC1339?open_tab=sum"
source_hash: "1dbbd21e2ceeadffbd3bb1e705359aa48055c498d5191f144990e6891ea08ea6"
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 178 (2025) — Limit government use of AI systems
## Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
1. **HB0178.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272867)
2. **HB0178.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273398)
3. **HB0178.001.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278068)
4. **HB0178.001.003_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=280560)
5. **HB0178.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278066)
6. **HB0178.001.004_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278595)
7. **HB0178.001.004_combo_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278596)
8. **HB0178.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295929)
9. **HB0178_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271172)
10. **HB0178_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275214)
11. **HB0178_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276275)
12. **HB0178_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278672)
13. **HB0178_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278673)
14. **HB0178_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278674)
15. **HB0178_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278675)
16. **HB0178_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270815)
17. **HB0178_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278678)
18. **HB0178_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296176)
19. **HB0178_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296774)
20. **HB0178_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296775)
21. **HB0178_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296776)
22. **HB0178_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296777)
23. **HB0178_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278679)
24. **HB0178_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278680)
25. **HB0178_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278691)
26. **HB0178_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278695)
27. **HB0178_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278698)
28. **HB0178_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278699)
29. **HB0178_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278708)
30. **HB0178_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282472)
31. **HB0178_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278676)
32. **HB0178_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296779)
33. **HB0178_3(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309651)
34. **HB0178_3(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309654)
35. **HB0178_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296782)
36. **HB0178_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296786)
37. **HB0178_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296827)
38. **HB0178_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296829)
39. **HB0178_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296839)
40. **HB0178_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299932)
41. **HB0178_3(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301042)
42. **HB0178_3(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301045)
43. **HB0178_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296778)
44. **HB0178_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316945)
45. **HB0178_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320519)
46. **HB0178_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324792)
47. **HB0178_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326135)
48. **HB0178_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327497)
49. **HB0178_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311039)
50. **LC1339.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269344)
## Votes
- Do Concur — **96–3** (pass) · lower
- Do Concur — **50–0** (pass) · upper
- Do Concur — **100–0** (pass) · lower
- do_pass_as_amended — **14–6** (pass) · lower
- be_concurred_in_as_amended — **13–0** (pass) · upper
- Do Pass — **86–14** (pass) · lower
- Do Pass — **88–11** (pass) · lower
- Do Concur — **46–4** (pass) · upper
## Sponsors
- Braxton Mitchell — primary (person)
## Timeline
The legislative action history — every referral, reading, and vote.
- **2024-11-12T16:36:48+00:00** (LC) Drafter Assigned
- **2024-12-10T13:34:54+00:00** (LC) Draft in Legal Review
- **2024-12-10T16:39:57+00:00** (LC) Draft in Edit
- **2024-12-19T20:13:33+00:00** (LC) Draft in Input/Proofing
- **2024-12-20T23:40:43+00:00** (LC) Draft in Final Drafter Review
- **2024-12-23T16:11:23+00:00** (LC) Draft in Assembly
- **2024-12-24T15:42:16+00:00** (LC) Draft Ready for Delivery
- **2025-01-09T17:28:25+00:00** (LC) Draft Delivered to Requester
- **2025-01-10T22:36:51+00:00** (H) Introduced
- **2025-01-13T17:01:32+00:00** (H) Referred to Committee - (H) Judiciary `referral-committee`
- **2025-01-13T20:15:34+00:00** (H) First Reading `reading-1`
- **2025-01-14T21:49:58+00:00** (H) Hearing Canceled - (H) Judiciary
- **2025-01-15T00:24:22+00:00** (H) Hearing - (H) Judiciary
- **2025-02-03T18:13:17+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2025-02-03T19:23:46+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2025-02-03T20:23:02+00:00** (H) Committee Report--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2025-02-12T20:15:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-13T21:20:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-02-14T18:45:23+00:00** (H) Transmitted to Senate
- **2025-02-14T18:49:38+00:00** (S) Referred to Committee - (S) Energy, Technology & Federal Relations `referral-committee`
- **2025-02-14T22:10:43+00:00** (S) First Reading `reading-1`
- **2025-03-12T17:50:44+00:00** (S) Hearing - (S) Energy, Technology & Federal Relations
- **2025-03-20T21:29:42+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) Energy, Technology & Federal Relations
- **2025-03-21T20:31:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) Energy, Technology & Federal Relations
- **2025-03-26T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-03-26T19:49:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-03-27T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-03-27T21:05:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-03-28T14:50:40+00:00** (S) Returned to House with Amendments
- **2025-04-11T14:30:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-11T21:10:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-11T21:15:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-12T00:11:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-12T00:30:00+00:00** (H) Sent to Enrolling
- **2025-04-14T17:48:00+00:00** (H) Returned from Enrolling
- **2025-04-23T23:30:28+00:00** (H) Signed by Speaker `passage`
- **2025-04-25T20:15:22+00:00** (S) Signed by President `passage`
- **2025-04-25T21:32:14+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-05T18:37:31+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-08T16:11:12+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/f6558e36-fde4-40a9-a349-d88fd44dbe39`. Confidence: reported (aggregated from official Montana legislature records).
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