---
type: "Bill"
title: "Generally revising the legislature's investigative powers"
description: "Generally revising the legislature's investigative powers"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 490"
citation: "Montana SB 490 (2023)"
classification: ["bill"]
subjects: ["Legislature"]
status: "enacted"
primary_sponsors: ["Greg Hertz"]
version_count: 6
action_count: 52
vote_count: 8
first_action: "2022-09-14T17:08:08+00:00"
last_action: "2023-05-22T21:32:57+00:00"
source: "openstates"
source_identifier: "ocd-bill/4de356d8-600c-42cb-9dcd-50b400f2817b"
source_url: "https://bills.legmt.gov/#/bill/20231/LC0318"
source_hash: "e3e8e4e7f6a13530a12ac3b06aa474bceb4c00d2d7431fcdbfceeb46d0bd2bab"
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 490 (2023) — Generally revising the legislature's investigative powers

## Version chain

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

1. **SB0490.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19630)
2. **SB0490.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19631)
3. **SB0490001SCS15239.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19629)
4. **SB0490_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19632)
5. **SB0490_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19634)
6. **SB0490_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19633)

## Votes

- (H) 3rd Reading Concurred — **66–31** (pass) · lower
- (S) 2nd Reading House Amendments Concurred — **34–16** (pass) · upper
- (S) Committee Executive Action--Bill Passed — **7–4** (pass) · upper
- (S) 2nd Reading Passed — **34–16** (pass) · upper
- (H) 2nd Reading Concurred — **68–32** (pass) · lower
- (S) 3rd Reading Passed — **34–16** (pass) · upper
- (S) 3rd Reading Passed as Amended by House — **34–16** (pass) · upper
- (H) Committee Executive Action--Bill Concurred as Amended — **10–9** (pass) · lower

## Sponsors

- Greg Hertz — primary (person)

## Timeline

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

- **2023-05-22T21:32:57+00:00** Chapter Number Assigned `became-law`
- **2023-05-19T19:01:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-05-11T22:00:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-05-11T20:30:00+00:00** (H) Signed by Speaker `passage`
- **2023-05-04T17:00:00+00:00** (S) Signed by President `passage`
- **2023-04-26T14:06:11+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-26T14:06:10+00:00** (S) Returned from Enrolling
- **2023-04-22T12:46:56+00:00** (S) Sent to Enrolling
- **2023-04-21T19:51:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2023-04-21T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-20T20:28:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-04-20T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-18T14:31:54+00:00** (H) Returned to Senate with Amendments
- **2023-04-18T00:58:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-17T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-14T20:44:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-13T21:57:25+00:00** (H) 2nd Reading Pass Consideration `reading-2`
- **2023-04-12T22:20:33+00:00** (H) 2nd Reading Pass Consideration `reading-2`
- **2023-04-05T23:26:00+00:00** (H) Committee Report--Bill Concurred as Amended
- **2023-04-05T22:05:47+00:00** (C) Printed - New Version Available
- **2023-04-05T13:00:00+00:00** (H) Committee Executive Action--Bill Concurred as Amended
- **2023-04-04T13:00:00+00:00** (H) Hearing
- **2023-04-04T00:05:30+00:00** (C) Amendments Available
- **2023-03-15T21:46:12+00:00** (H) First Reading `reading-1`
- **2023-03-15T21:20:43+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-03T18:25:33+00:00** (S) Transmitted to House
- **2023-03-03T04:51:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-03-02T20:46:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-02T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-02-28T22:59:00+00:00** (S) Committee Report--Bill Passed `committee-passage`
- **2023-02-28T15:00:00+00:00** (S) Committee Executive Action--Bill Passed `committee-passage`
- **2023-02-28T14:59:00+00:00** (S) Hearing
- **2023-02-24T17:22:13+00:00** (S) Referred to Committee `referral-committee`
- **2023-02-23T20:35:00+00:00** (S) First Reading `reading-1`
- **2023-02-23T19:40:33+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-23T19:32:34+00:00** (S) Introduced
- **2023-02-23T15:35:11+00:00** (C) Draft Delivered to Requester
- **2023-02-22T18:14:11+00:00** (C) Draft Ready for Delivery
- **2023-02-22T00:21:44+00:00** (C) Executive Director Final Review
- **2023-02-22T00:21:40+00:00** (C) Draft Ready for Delivery
- **2023-02-21T19:10:42+00:00** (C) Draft in Assembly
- **2023-02-21T19:10:13+00:00** (C) Executive Director Review
- **2023-02-20T16:46:20+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-20T16:46:19+00:00** (C) Draft in Final Drafter Review
- **2023-02-20T15:43:47+00:00** (C) Draft in Input/Proofing
- **2023-02-20T15:21:01+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-17T22:47:41+00:00** (C) Draft in Edit
- **2023-02-17T22:11:55+00:00** (C) Draft in Legal Review
- **2023-02-17T14:20:04+00:00** (C) Draft to Requester for Review
- **2023-02-15T21:11:54+00:00** (C) Draft to Requester for Review
- **2022-09-14T17:08:08+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/4de356d8-600c-42cb-9dcd-50b400f2817b`. Confidence: reported (aggregated from official Montana legislature records).