---
type: "Bill"
title: "Revise election laws related to school election deadlines"
description: "Revise election laws related to school election deadlines"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 406"
citation: "Montana HB 406 (2025)"
classification: ["bill"]
subjects: ["Education - K-12", "Elections", "Local Government"]
status: "enacted"
primary_sponsors: ["Fiona Nave"]
version_count: 51
action_count: 37
vote_count: 8
first_action: "2024-12-14T22:11:47+00:00"
last_action: "2025-05-15T20:27:56+00:00"
source: "openstates"
source_identifier: "ocd-bill/55d531f8-9227-4f1d-89d1-d7375df56f68"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3769?open_tab=sum"
source_hash: "793c889533751f801136ebaf092bc987500a17ac4061b99d970ffd8e41f36e69"
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 406 (2025) — Revise election laws related to school election deadlines

## Version chain

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

1. **HB0406.001.001_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282224)
2. **HB0406.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282223)
3. **HB0406.001.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282225)
4. **HB0406.001.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=283964)
5. **HB0406.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=283959)
6. **HB0406.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284253)
7. **HB0406.001.003_combo_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284254)
8. **HB0406.002.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=302640)
9. **HB0406.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=302636)
10. **HB0406_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=279727)
11. **HB0406_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284463)
12. **HB0406_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284464)
13. **HB0406_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284465)
14. **HB0406_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284466)
15. **HB0406_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=279450)
16. **HB0406_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284468)
17. **HB0406_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306456)
18. **HB0406_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306457)
19. **HB0406_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306458)
20. **HB0406_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284469)
21. **HB0406_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284470)
22. **HB0406_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284497)
23. **HB0406_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284512)
24. **HB0406_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284541)
25. **HB0406_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=286864)
26. **HB0406_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306035)
27. **HB0406_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306455)
28. **HB0406_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284467)
29. **HB0406_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306539)
30. **HB0406_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306547)
31. **HB0406_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=308974)
32. **HB0406_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314278)
33. **HB0406_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314284)
34. **HB0406_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314738)
35. **HB0406_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314766)
36. **HB0406_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306536)
37. **HB0406_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314286)
38. **HB0406_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323180)
39. **HB0406_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323181)
40. **HB0406_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325039)
41. **HB0406_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326939)
42. **HB0406_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314775)
43. **HB0406_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314776)
44. **HB0406_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314784)
45. **HB0406_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314785)
46. **HB0406_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314786)
47. **HB0406_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317202)
48. **HB0406_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320750)
49. **HB0406_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323179)
50. **HB0406_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314285)
51. **LC3769.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278156)

## Votes

- Do Concur — **43–5** (pass) · upper
- do_pass_as_amended — **18–1** (pass) · lower
- Do Concur — **100–0** (pass) · lower
- Do Pass — **84–16** (pass) · lower
- Do Concur — **97–2** (pass) · lower
- Do Pass — **72–27** (pass) · lower
- be_concurred_in_as_amended — **9–0** (pass) · upper
- Do Concur — **41–8** (pass) · upper

## Sponsors

- Fiona Nave — primary (person)

## Timeline

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

- **2024-12-14T22:11:47+00:00** (LC) Drafter Assigned
- **2025-01-30T01:46:54+00:00** (LC) Draft in Legal Review
- **2025-02-01T03:32:22+00:00** (LC) Draft in Edit
- **2025-02-03T15:56:34+00:00** (LC) Draft in Input/Proofing
- **2025-02-03T16:41:55+00:00** (LC) Draft in Final Drafter Review
- **2025-02-03T23:45:08+00:00** (LC) Draft in Assembly
- **2025-02-04T17:57:27+00:00** (LC) Draft Ready for Delivery
- **2025-02-04T21:48:28+00:00** (LC) Draft Delivered to Requester
- **2025-02-06T14:42:27+00:00** (H) Introduced
- **2025-02-06T17:53:46+00:00** (H) Referred to Committee - (H) State Administration `referral-committee`
- **2025-02-06T20:26:00+00:00** (H) First Reading `reading-1`
- **2025-02-06T23:03:11+00:00** (H) Hearing - (H) State Administration
- **2025-02-19T21:10:08+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) State Administration `committee-passage`
- **2025-02-19T21:47:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) State Administration `committee-passage`
- **2025-02-22T17:42:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-24T22:14:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-02-24T22:29:11+00:00** (H) Transmitted to Senate
- **2025-03-03T18:23:13+00:00** (S) Referred to Committee - (S) State Administration `referral-committee`
- **2025-03-18T20:52:11+00:00** (S) Hearing - (S) State Administration
- **2025-04-07T23:22:47+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) State Administration
- **2025-04-08T19:19:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) State Administration
- **2025-04-10T14:30:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-10T16:01:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-11T16:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-11T21:30:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-12T00:05:12+00:00** (S) Returned to House with Amendments
- **2025-04-16T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-16T19:45:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-17T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-17T21:54:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-18T19:58:09+00:00** (H) Sent to Enrolling
- **2025-04-23T14:29:16+00:00** (H) Returned from Enrolling
- **2025-05-01T19:00:49+00:00** (H) Signed by Speaker `passage`
- **2025-05-02T16:00:24+00:00** (S) Signed by President `passage`
- **2025-05-05T16:05:54+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-12T17:19:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-15T20:27:56+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/55d531f8-9227-4f1d-89d1-d7375df56f68`. Confidence: reported (aggregated from official Montana legislature records).