republic-os/legislation/us/states/mt/2023/sb-464.md

---
type: "Bill"
title: "Revise laws related to eyewitness lineups"
description: "Revise laws related to eyewitness lineups"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 464"
citation: "Montana SB 464 (2023)"
classification: ["bill"]
subjects: ["Courts (see also: Judges and Justices; Juries and Jurors)", "Criminal Procedure (see also: Law Enforcement)"]
status: "enacted"
primary_sponsors: ["Jeremy Trebas"]
version_count: 4
action_count: 49
vote_count: 7
first_action: "2022-12-16T16:19:50+00:00"
last_action: "2023-05-04T18:24:28+00:00"
source: "openstates"
source_identifier: "ocd-bill/9a7ee6b6-72e7-4976-ab99-a7ba1f7432a6"
source_url: "https://bills.legmt.gov/#/bill/20231/LC4176"
source_hash: "b146e4a8fe0787f82998b48c5fefc7f7c0e208070f912e03dd82cea3081669cc"
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 464 (2023) — Revise laws related to eyewitness lineups

## Version chain

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

1. **SB0464.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19467)
2. **SB0464001SCS20700.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19466)
3. **SB0464_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19469)
4. **SB0464_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19468)

## Votes

- (S) Tabled in Committee — **10–1** (pass) · upper
- (H) Committee Executive Action--Bill Concurred — **17–2** (pass) · lower
- (S) 3rd Reading Passed — **32–18** (pass) · upper
- (S) 2nd Reading Passed — **30–20** (pass) · upper
- (S) Taken from Committee; Placed on 2nd Reading — **27–23** (pass) · upper
- (H) 3rd Reading Concurred — **89–11** (pass) · lower
- (H) 2nd Reading Concurred — **88–11** (pass) · lower

## Sponsors

- Jeremy Trebas — primary (person)

## Timeline

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

- **2023-05-04T18:24:28+00:00** Chapter Number Assigned `became-law`
- **2023-05-03T15:31:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-04-26T16:20:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-04-23T15:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-04-20T22:30:00+00:00** (S) Signed by President `passage`
- **2023-04-18T17:02:26+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-18T17:02:25+00:00** (S) Returned from Enrolling
- **2023-04-14T20:28:07+00:00** (S) Sent to Enrolling
- **2023-04-14T19:39:01+00:00** (H) Returned to Senate
- **2023-04-13T22:36:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-13T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-12T21:06:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-12T14:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-06T22:01:00+00:00** (H) Committee Report--Bill Concurred
- **2023-04-06T20:04:51+00:00** (H) Committee Executive Action--Bill Concurred
- **2023-04-05T21:00:00+00:00** (H) Hearing
- **2023-04-01T18:23:02+00:00** (H) Hearing Canceled
- **2023-03-15T21:46:07+00:00** (H) First Reading `reading-1`
- **2023-03-15T21:19:30+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-03T18:18:58+00:00** (S) Transmitted to House
- **2023-03-02T16:07:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-03-02T15:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-03-01T23:06:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-01T17:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-02-28T22:42:00+00:00** (S) Taken from Committee; Placed on 2nd Reading `reading-2, reading-2`
- **2023-02-28T15:00:00+00:00** (S) Tabled in Committee `amendment-deferral`
- **2023-02-27T17:33:54+00:00** (C) Amendments Available
- **2023-02-27T15:00:47+00:00** (S) Hearing
- **2023-02-23T20:06:34+00:00** (S) First Reading `reading-1`
- **2023-02-23T18:21:23+00:00** (S) Referred to Committee `referral-committee`
- **2023-02-22T22:09:52+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-22T20:24:25+00:00** (S) Introduced
- **2023-02-21T17:42:54+00:00** (C) Draft Delivered to Requester
- **2023-02-18T22:43:15+00:00** (C) Draft Ready for Delivery
- **2023-02-17T23:25:11+00:00** (C) Executive Director Final Review
- **2023-02-17T23:25:07+00:00** (C) Draft Ready for Delivery
- **2023-02-17T17:33:48+00:00** (C) Draft in Assembly
- **2023-02-17T14:48:02+00:00** (C) Executive Director Review
- **2023-02-17T01:10:00+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-17T01:09:59+00:00** (C) Draft in Final Drafter Review
- **2023-02-16T23:30:07+00:00** (C) Draft in Input/Proofing
- **2023-02-16T22:31:13+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-14T22:53:16+00:00** (C) Draft in Edit
- **2023-02-14T18:40:32+00:00** (C) Draft in Legal Review
- **2023-02-14T16:37:46+00:00** (C) Draft to Requester for Review
- **2023-02-13T22:22:57+00:00** (C) Draft to Requester for Review
- **2022-12-19T23:06:59+00:00** (C) Draft Taken Off Hold
- **2022-12-18T20:58:17+00:00** (C) Draft On Hold
- **2022-12-16T16:19:50+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/9a7ee6b6-72e7-4976-ab99-a7ba1f7432a6`. Confidence: reported (aggregated from official Montana legislature records).