---
type: "Bill"
title: "Revise election laws related to COPP deadlines for municipal candidates"
description: "Revise election laws related to COPP deadlines for municipal candidates"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 455"
citation: "Montana HB 455 (2025)"
classification: ["bill"]
subjects: ["Elections"]
status: "enacted"
primary_sponsors: ["Julie Darling"]
version_count: 35
action_count: 43
vote_count: 8
first_action: "2024-12-13T21:07:48+00:00"
last_action: "2025-05-05T16:08:10+00:00"
source: "openstates"
source_identifier: "ocd-bill/2037bfb4-3657-4f75-80b7-c343f74bd01a"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3194?open_tab=sum"
source_hash: "d40b714627469184c2234a3530bd45d567b0668a85b36dd32a18d5a75acd9b64"
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 455 (2025) — Revise election laws related to COPP deadlines for municipal candidates

## Version chain

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

1. **HB0455.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296433)
2. **HB0455.001.001_Amendments-in-Context_final-not condensed(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299512)
3. **HB0455.001.001_Amendments-in-Context_final-not condensed(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303945)
4. **HB0455.001.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296434)
5. **HB0455_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281452)
6. **HB0455_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289950)
7. **HB0455_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299120)
8. **HB0455_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299536)
9. **HB0455_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299537)
10. **HB0455_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299538)
11. **HB0455_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299539)
12. **HB0455_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281152)
13. **HB0455_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299541)
14. **HB0455_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299548)
15. **HB0455_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299549)
16. **HB0455_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299561)
17. **HB0455_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299564)
18. **HB0455_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299615)
19. **HB0455_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304163)
20. **HB0455_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311216)
21. **HB0455_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311217)
22. **HB0455_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299540)
23. **HB0455_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311219)
24. **HB0455_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321507)
25. **HB0455_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324666)
26. **HB0455_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311220)
27. **HB0455_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311453)
28. **HB0455_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311454)
29. **HB0455_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311455)
30. **HB0455_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317012)
31. **HB0455_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320581)
32. **HB0455_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321505)
33. **HB0455_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321506)
34. **HB0455_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311218)
35. **LC3194.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=279038)

## Votes

- Do Concur — **99–1** (pass) · lower
- Do Pass — **98–0** (pass) · lower
- Do Concur — **50–0** (pass) · upper
- do_pass — **19–0** (pass) · lower
- Do Concur — **50–0** (pass) · upper
- be_concurred_in_as_amended — **9–0** (pass) · upper
- Do Concur — **97–0** (pass) · lower
- Do Pass — **100–0** (pass) · lower

## Sponsors

- Julie Darling — primary (person)

## Timeline

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

- **2024-12-13T21:07:48+00:00** (LC) Drafter Assigned
- **2025-02-04T17:14:37+00:00** (LC) Draft in Legal Review
- **2025-02-04T21:39:58+00:00** (LC) Draft in Edit
- **2025-02-05T15:13:11+00:00** (LC) Draft in Input/Proofing
- **2025-02-05T15:45:17+00:00** (LC) Draft in Final Drafter Review
- **2025-02-05T19:55:02+00:00** (LC) Drafter Assigned
- **2025-02-05T19:57:58+00:00** (LC) Draft in Legal Review
- **2025-02-05T22:28:54+00:00** (LC) Draft in Edit
- **2025-02-06T15:15:00+00:00** (LC) Draft in Input/Proofing
- **2025-02-06T16:52:19+00:00** (LC) Draft in Final Drafter Review
- **2025-02-07T15:06:46+00:00** (LC) Draft in Assembly
- **2025-02-10T15:19:03+00:00** (LC) Draft Ready for Delivery
- **2025-02-11T23:16:04+00:00** (H) Introduced
- **2025-02-12T17:32:09+00:00** (H) Referred to Committee - (H) State Administration `referral-committee`
- **2025-02-12T19:53:33+00:00** (H) First Reading `reading-1`
- **2025-02-18T16:47:29+00:00** (H) Hearing - (H) State Administration
- **2025-02-24T16:36:57+00:00** (H) Committee Executive Action--Bill Passed - (H) State Administration `committee-passage`
- **2025-02-24T22:02:52+00:00** (H) Committee Report--Bill Passed - (H) State Administration `committee-passage`
- **2025-02-26T22:18:00+00:00** (H) 2nd Reading Pass Consideration `reading-2`
- **2025-02-27T20:31:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-28T20:29:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-02-28T20:40:45+00:00** (H) Transmitted to Senate
- **2025-03-04T00:05:50+00:00** (S) Referred to Committee - (S) State Administration `referral-committee`
- **2025-03-18T20:52:10+00:00** (S) Hearing - (S) State Administration
- **2025-03-26T20:52:04+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) State Administration
- **2025-03-27T19:28:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) State Administration
- **2025-04-02T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-02T20:44:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-03T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-03T19:34:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-03T21:27:50+00:00** (S) Returned to House with Amendments
- **2025-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T20:30:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-15T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T20:37:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-15T22:11:13+00:00** (H) Sent to Enrolling
- **2025-04-16T04:39:40+00:00** (LC) Draft Delivered to Requester
- **2025-04-16T04:40:06+00:00** (H) Returned from Enrolling
- **2025-04-18T20:50:00+00:00** (H) Signed by Speaker `passage`
- **2025-04-22T13:30:24+00:00** (S) Signed by President `passage`
- **2025-04-22T18:10:24+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:14:29+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-05T16:08:10+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/2037bfb4-3657-4f75-80b7-c343f74bd01a`. Confidence: reported (aggregated from official Montana legislature records).