---
type: "Bill"
title: "Revise laws regarding legislative subpoenas"
description: "Revise laws regarding legislative subpoenas"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 457"
citation: "Montana SB 457 (2025)"
classification: ["bill"]
subjects: ["Courts", "Crimes", "Legislature"]
status: "enacted"
primary_sponsors: ["Sue Vinton"]
version_count: 27
action_count: 43
vote_count: 6
first_action: "2024-12-11T14:32:27+00:00"
last_action: "2025-05-08T21:35:17+00:00"
source: "openstates"
source_identifier: "ocd-bill/998791ae-f452-4ecb-8e8f-81f174a7834a"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC2754?open_tab=sum"
source_hash: "a79621e71b60218e03eadec8ef6b7677e67a0fc5619342edd64878e33e3546bf"
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 457 (2025) — Revise laws regarding legislative subpoenas

## Version chain

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

1. **LC2754.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=286175)
2. **SB0457.001.001_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289582)
3. **SB0457.001.001_Amendments-in-Context_final-full(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289585)
4. **SB0457.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289581)
5. **SB0457_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287907)
6. **SB0457_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293392)
7. **SB0457_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307229)
8. **SB0457_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309219)
9. **SB0457_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309220)
10. **SB0457_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287008)
11. **SB0457_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309223)
12. **SB0457_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321917)
13. **SB0457_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321918)
14. **SB0457_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321919)
15. **SB0457_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322211)
16. **SB0457_X(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324843)
17. **SB0457_X(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326682)
18. **SB0457_X(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327734)
19. **SB0457_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309224)
20. **SB0457_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309408)
21. **SB0457_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309409)
22. **SB0457_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309574)
23. **SB0457_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309575)
24. **SB0457_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310983)
25. **SB0457_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316919)
26. **SB0457_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320494)
27. **SB0457_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309221)

## Votes

- Do Pass — **30–20** (pass) · upper
- Do Concur — **55–44** (pass) · lower
- be_concurred_in — **12–8** (pass) · lower
- do_pass — **5–3** (pass) · upper
- Do Pass — **31–19** (pass) · upper
- Do Concur — **55–45** (pass) · lower

## Sponsors

- Sue Vinton — primary (person)

## Timeline

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

- **2024-12-11T14:32:27+00:00** (LC) Drafter Assigned
- **2024-12-11T14:32:27+00:00** (LC) Draft On Hold
- **2025-01-15T22:13:17+00:00** (LC) Draft Taken Off Hold
- **2025-02-19T20:33:50+00:00** (LC) Draft in Legal Review
- **2025-02-20T18:28:07+00:00** (LC) Draft in Edit
- **2025-02-22T22:40:18+00:00** (LC) Draft in Input/Proofing
- **2025-02-23T18:57:44+00:00** (LC) Draft in Final Drafter Review
- **2025-02-23T21:04:43+00:00** (LC) Draft in Assembly
- **2025-02-24T19:35:42+00:00** (LC) Draft Ready for Delivery
- **2025-02-24T22:52:27+00:00** (LC) Draft Delivered to Requester
- **2025-02-24T23:03:54+00:00** (S) Introduced
- **2025-02-25T00:53:01+00:00** (S) Referred to Committee - (S) Judiciary `referral-committee`
- **2025-02-25T20:06:54+00:00** (S) First Reading `reading-1`
- **2025-03-03T01:27:02+00:00** (S) Hearing - (S) Judiciary
- **2025-03-03T19:03:05+00:00** (S) Committee Executive Action--Bill Passed - (S) Judiciary `committee-passage`
- **2025-03-03T22:49:00+00:00** (S) Committee Report--Bill Passed - (S) Judiciary `committee-passage`
- **2025-03-05T20:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-03-06T00:13:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-06T15:30:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-03-06T19:28:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-03-06T20:25:44+00:00** (S) Transmitted to House
- **2025-03-07T17:13:34+00:00** (H) Referred to Committee - (H) Judiciary `referral-committee`
- **2025-03-17T19:15:00+00:00** (H) First Reading `reading-1`
- **2025-04-03T20:38:25+00:00** (H) Hearing - (H) Judiciary
- **2025-04-07T12:37:18+00:00** (H) Hearing Canceled - (H) Judiciary
- **2025-04-07T12:40:13+00:00** (H) Hearing - (H) Judiciary
- **2025-04-07T13:47:40+00:00** (H) Hearing Canceled - (H) Judiciary
- **2025-04-07T13:48:10+00:00** (H) Hearing - (H) Judiciary
- **2025-04-07T14:50:32+00:00** (H) Hearing Canceled - (H) Judiciary
- **2025-04-07T20:44:13+00:00** (H) Hearing - (H) Judiciary
- **2025-04-09T18:46:13+00:00** (H) Committee Executive Action--Bill Concurred - (H) Judiciary
- **2025-04-09T22:06:00+00:00** (H) Committee Report--Bill Concurred - (H) Judiciary
- **2025-04-10T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-10T23:24:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-11T21:01:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-11T23:48:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-04-11T23:48:58+00:00** (S) Sent to Enrolling
- **2025-04-13T14:17:02+00:00** (S) Returned from Enrolling
- **2025-04-21T22:00:17+00:00** (S) Signed by President `passage`
- **2025-04-25T20:40:10+00:00** (H) Signed by Speaker `passage`
- **2025-04-25T21:18:10+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-05-05T19:51:00+00:00** (S) Filed with Secretary of State
- **2025-05-08T21:35:17+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/998791ae-f452-4ecb-8e8f-81f174a7834a`. Confidence: reported (aggregated from official Montana legislature records).