---
type: "Bill"
title: "Increase thresholds for railroad accident reporting requirements"
description: "Increase thresholds for railroad accident reporting requirements"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 23"
citation: "Montana SB 23 (2025)"
classification: ["bill"]
subjects: ["Rule Making", "Safety", "Utilities"]
status: "enacted"
primary_sponsors: ["Daniel Zolnikov"]
version_count: 38
action_count: 40
vote_count: 8
first_action: "2024-09-16T14:34:48+00:00"
last_action: "2025-04-18T17:35:42+00:00"
source: "openstates"
source_identifier: "ocd-bill/a48b9c8b-2c06-4d96-af8b-717f6834260b"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0247?open_tab=sum"
source_hash: "776ff269853e217936cdb5af5252329eb57cc623f36800f25831fa3a220bfa1b"
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 23 (2025) — Increase thresholds for railroad accident reporting requirements

## Version chain

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

1. **LC0247.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=265412)
2. **SB0023.001.001_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281789)
3. **SB0023.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281788)
4. **SB0023_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267378)
5. **SB0023_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274613)
6. **SB0023_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274670)
7. **SB0023_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275591)
8. **SB0023_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276628)
9. **SB0023_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282091)
10. **SB0023_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282092)
11. **SB0023_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282093)
12. **SB0023_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282094)
13. **SB0023_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267277)
14. **SB0023_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282096)
15. **SB0023_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282099)
16. **SB0023_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282100)
17. **SB0023_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282119)
18. **SB0023_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282122)
19. **SB0023_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282132)
20. **SB0023_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296348)
21. **SB0023_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296471)
22. **SB0023_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282095)
23. **SB0023_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296470)
24. **SB0023_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296474)
25. **SB0023_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321391)
26. **SB0023_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321392)
27. **SB0023_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324598)
28. **SB0023_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325689)
29. **SB0023_X(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327283)
30. **SB0023_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296475)
31. **SB0023_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296969)
32. **SB0023_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296970)
33. **SB0023_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296971)
34. **SB0023_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310594)
35. **SB0023_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316555)
36. **SB0023_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320157)
37. **SB0023_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321390)
38. **SB0023_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296472)

## Votes

- Do Pass — **48–2** (pass) · upper
- Do Pass — **50–0** (pass) · upper
- be_concurred_in_as_amended — **14–0** (pass) · lower
- Do Concur — **97–1** (pass) · lower
- Do Pass — **46–4** (pass) · upper
- Do Concur — **98–2** (pass) · lower
- Do Pass — **45–4** (pass) · upper
- do_pass — **13–0** (pass) · upper

## Sponsors

- Daniel Zolnikov — primary (person)

## Timeline

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

- **2024-09-16T14:34:48+00:00** (LC) Drafter Assigned
- **2024-10-21T15:24:08+00:00** (LC) Draft in Legal Review
- **2024-11-12T21:32:13+00:00** (LC) Draft in Edit
- **2024-11-14T15:12:07+00:00** (LC) Draft in Input/Proofing
- **2024-11-14T19:52:18+00:00** (LC) Draft in Final Drafter Review
- **2024-11-17T18:07:56+00:00** (LC) Draft in Assembly
- **2024-11-18T22:21:22+00:00** (LC) Draft Ready for Delivery
- **2024-12-09T16:19:01+00:00** (LC) Draft Delivered to Requester
- **2024-12-18T23:33:00+00:00** (S) Introduced
- **2025-01-06T23:33:00+00:00** (S) First Reading `reading-1`
- **2025-01-07T21:25:00+00:00** (S) Referred to Committee - (S) Energy, Technology & Federal Relations `referral-committee`
- **2025-01-14T21:22:08+00:00** (S) Hearing - (S) Energy, Technology & Federal Relations
- **2025-01-21T18:04:00+00:00** (S) Committee Executive Action--Bill Passed - (S) Energy, Technology & Federal Relations `committee-passage`
- **2025-01-22T20:30:31+00:00** (S) Committee Report--Bill Passed - (S) Energy, Technology & Federal Relations `committee-passage`
- **2025-01-23T15:51:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-01-23T21:17:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-01-24T15:54:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-01-24T21:34:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-01-27T16:36:30+00:00** (S) Transmitted to House
- **2025-01-27T20:18:01+00:00** (H) First Reading `reading-1`
- **2025-01-27T20:20:00+00:00** (H) Referred to Committee - (H) Energy, Technology and Federal Relations `referral-committee`
- **2025-02-11T18:00:13+00:00** (H) Hearing - (H) Energy, Technology and Federal Relations
- **2025-02-12T23:43:00+00:00** (H) Committee Executive Action--Bill Concurred as Amended - (H) Energy, Technology and Federal Relations
- **2025-02-13T20:21:00+00:00** (H) Committee Report--Bill Concurred as Amended - (H) Energy, Technology and Federal Relations
- **2025-03-19T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-19T20:09:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-03-20T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-20T21:57:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-03-20T23:04:56+00:00** (H) Returned to Senate with Amendments
- **2025-03-25T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-03-25T19:26:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-03-26T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-03-26T20:28:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2025-03-26T21:21:45+00:00** (S) Sent to Enrolling
- **2025-03-28T13:00:23+00:00** (S) Returned from Enrolling
- **2025-04-01T17:00:37+00:00** (S) Signed by President `passage`
- **2025-04-07T21:45:38+00:00** (H) Signed by Speaker `passage`
- **2025-04-08T14:46:28+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-04-17T18:00:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-04-18T17:35:42+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/a48b9c8b-2c06-4d96-af8b-717f6834260b`. Confidence: reported (aggregated from official Montana legislature records).