---
type: "Bill"
title: "Revise remedies to MEPA"
description: "Revise remedies to MEPA"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 270"
citation: "Montana HB 270 (2025)"
classification: ["bill"]
subjects: ["Courts", "Environmental Protection"]
status: "enacted"
primary_sponsors: ["Katie Zolnikov"]
version_count: 48
action_count: 44
vote_count: 10
first_action: "2024-12-08T02:09:16+00:00"
last_action: "2025-05-06T03:45:56+00:00"
source: "openstates"
source_identifier: "ocd-bill/3bc3250d-78e3-4070-9fcd-d484813e588c"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC2338?open_tab=sum"
source_hash: "70a725a9865d94f1bf7f658552901db83b14a35262eeea0aaf7c670b893ceac4"
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 270 (2025) — Revise remedies to MEPA

## Version chain

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

1. **HB0270.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=300081)
2. **HB0270.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=300078)
3. **HB0270_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273586)
4. **HB0270_1(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301607)
5. **HB0270_1(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301608)
6. **HB0270_1(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301609)
7. **HB0270_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273589)
8. **HB0270_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273590)
9. **HB0270_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273591)
10. **HB0270_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275447)
11. **HB0270_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276495)
12. **HB0270_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282474)
13. **HB0270_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296848)
14. **HB0270_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301606)
15. **HB0270_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273244)
16. **HB0270_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301611)
17. **HB0270_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301757)
18. **HB0270_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301759)
19. **HB0270_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301765)
20. **HB0270_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301767)
21. **HB0270_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301768)
22. **HB0270_2(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301779)
23. **HB0270_2(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303378)
24. **HB0270_2(17).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304919)
25. **HB0270_2(18).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311153)
26. **HB0270_2(19).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311158)
27. **HB0270_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301614)
28. **HB0270_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301616)
29. **HB0270_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301744)
30. **HB0270_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301749)
31. **HB0270_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301753)
32. **HB0270_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301754)
33. **HB0270_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301755)
34. **HB0270_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301756)
35. **HB0270_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301610)
36. **HB0270_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311164)
37. **HB0270_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324619)
38. **HB0270_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326564)
39. **HB0270_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311165)
40. **HB0270_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311422)
41. **HB0270_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311423)
42. **HB0270_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311424)
43. **HB0270_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311425)
44. **HB0270_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311426)
45. **HB0270_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317004)
46. **HB0270_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320573)
47. **HB0270_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311159)
48. **LC2338.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272763)

## Votes

- do_pass — **14–0** (pass) · lower
- Do Concur — **44–5** (pass) · upper
- be_concurred_in — **10–1** (pass) · upper
- Do Pass — **99–0** (pass) · lower
- Do Concur — **64–33** (pass) · lower
- Do Concur — **47–2** (pass) · upper
- Do Concur — **61–39** (pass) · lower
- Rerefer to Natural Resources-Galt — **48–2** (pass) · upper
- be_concurred_in_as_amended — **11–0** (pass) · upper
- Do Pass — **100–0** (pass) · lower

## Sponsors

- Katie Zolnikov — primary (person)

## Timeline

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

- **2024-12-08T02:09:16+00:00** (LC) Drafter Assigned
- **2024-12-08T02:10:04+00:00** (LC) Draft On Hold
- **2025-01-07T20:44:33+00:00** (LC) Draft Taken Off Hold
- **2025-01-17T20:57:46+00:00** (LC) Draft in Legal Review
- **2025-01-19T23:52:51+00:00** (LC) Draft in Edit
- **2025-01-20T15:51:42+00:00** (LC) Draft in Input/Proofing
- **2025-01-20T21:36:32+00:00** (LC) Draft in Final Drafter Review
- **2025-01-20T21:40:55+00:00** (LC) Draft in Assembly
- **2025-01-20T22:14:31+00:00** (LC) Draft Ready for Delivery
- **2025-01-21T19:37:30+00:00** (LC) Draft Delivered to Requester
- **2025-01-21T21:56:46+00:00** (H) Introduced
- **2025-01-22T18:02:52+00:00** (H) Referred to Committee - (H) Natural Resources `referral-committee`
- **2025-01-22T20:09:38+00:00** (H) First Reading `reading-1`
- **2025-01-27T18:29:29+00:00** (H) Hearing - (H) Natural Resources
- **2025-02-07T23:17:31+00:00** (H) Committee Executive Action--Bill Passed - (H) Natural Resources `committee-passage`
- **2025-02-10T20:24:00+00:00** (H) Committee Report--Bill Passed - (H) Natural Resources `committee-passage`
- **2025-02-12T20:18:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-13T21:21:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-02-14T18:45:26+00:00** (H) Transmitted to Senate
- **2025-02-14T22:09:46+00:00** (S) First Reading `reading-1`
- **2025-02-21T16:42:42+00:00** (S) Referred to Committee - (S) Natural Resources `referral-committee`
- **2025-03-12T14:47:36+00:00** (S) Hearing - (S) Natural Resources
- **2025-03-21T20:53:50+00:00** (S) Committee Executive Action--Bill Concurred - (S) Natural Resources
- **2025-03-24T20:33:00+00:00** (S) Committee Report--Bill Concurred - (S) Natural Resources
- **2025-03-26T20:22:00+00:00** (S) Rereferred to Committee - (S) Natural Resources `referral-committee, referral-committee`
- **2025-03-28T21:37:59+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) Natural Resources
- **2025-03-31T19:58:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) Natural Resources
- **2025-04-02T20:35:42+00:00** (S) 2nd Reading Pass Consideration `reading-2`
- **2025-04-03T23:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-04T00:36:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-04T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-04T19:40:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-04T21:09:22+00:00** (S) Returned to House with Amendments
- **2025-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T20:16:00+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`
- **2025-04-15T20:34:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-15T22:07:58+00:00** (H) Sent to Enrolling
- **2025-04-16T03:26:14+00:00** (H) Returned from Enrolling
- **2025-04-18T19:00:46+00:00** (H) Signed by Speaker `passage`
- **2025-04-22T00:00:24+00:00** (S) Signed by President `passage`
- **2025-04-22T18:10:24+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:05:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-06T03:45:56+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/3bc3250d-78e3-4070-9fcd-d484813e588c`. Confidence: reported (aggregated from official Montana legislature records).