---
type: "Bill"
title: "Revise oil and gas production damage mitigation account"
description: "Revise oil and gas production damage mitigation account"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 339"
citation: "Montana SB 339 (2025)"
classification: ["bill"]
subjects: ["Gas and Oil", "Mining and Minerals", "State Finance"]
status: "enacted"
primary_sponsors: ["Daniel Zolnikov"]
version_count: 20
action_count: 39
vote_count: 6
first_action: "2024-12-10T19:10:37+00:00"
last_action: "2025-05-13T13:33:10+00:00"
source: "openstates"
source_identifier: "ocd-bill/32f2e759-0688-4e62-ab0a-88693ee29da9"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC2642?open_tab=sum"
source_hash: "98a924133c61eeba8cce2119c9cefd7b1f3b024aaf0ce75a8ec6e2679764fd8b"
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 339 (2025) — Revise oil and gas production damage mitigation account

## Version chain

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

1. **LC2642.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281277)
2. **SB0339_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=283515)
3. **SB0339_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293751)
4. **SB0339_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303431)
5. **SB0339_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307145)
6. **SB0339_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311606)
7. **SB0339_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311611)
8. **SB0339_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=283205)
9. **SB0339_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311614)
10. **SB0339_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324948)
11. **SB0339_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326656)
12. **SB0339_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311615)
13. **SB0339_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312306)
14. **SB0339_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312307)
15. **SB0339_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317071)
16. **SB0339_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320637)
17. **SB0339_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322665)
18. **SB0339_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322666)
19. **SB0339_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322667)
20. **SB0339_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311612)

## Votes

- do_pass — **7–1** (pass) · upper
- be_concurred_in — **21–0** (pass) · lower
- Do Concur — **100–0** (pass) · lower
- Do Concur — **97–0** (pass) · lower
- Do Pass — **50–0** (pass) · upper
- Do Pass — **50–0** (pass) · upper

## Sponsors

- Daniel Zolnikov — primary (person)

## Timeline

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

- **2024-12-10T19:10:37+00:00** (LC) Drafter Assigned
- **2025-02-06T22:56:24+00:00** (LC) Draft in Legal Review
- **2025-02-07T23:00:56+00:00** (LC) Draft in Edit
- **2025-02-12T15:36:20+00:00** (LC) Draft in Input/Proofing
- **2025-02-14T15:34:32+00:00** (LC) Draft in Final Drafter Review
- **2025-02-14T20:56:00+00:00** (LC) Draft in Assembly
- **2025-02-15T18:09:44+00:00** (LC) Draft Ready for Delivery
- **2025-02-17T20:15:07+00:00** (LC) Draft Delivered to Requester
- **2025-02-17T20:27:19+00:00** (S) Introduced
- **2025-02-17T23:18:35+00:00** (S) Referred to Committee - (S) Taxation `referral-committee`
- **2025-02-18T00:51:29+00:00** (S) Fiscal Note Requested
- **2025-02-18T01:12:26+00:00** (S) First Reading `reading-1`
- **2025-02-25T17:52:40+00:00** (S) Fiscal Note Received `receipt`
- **2025-02-25T18:20:15+00:00** (S) Hearing - (S) Taxation
- **2025-02-26T16:10:00+00:00** (S) Fiscal Note Signed
- **2025-02-27T16:53:26+00:00** (S) Fiscal Note Printed
- **2025-03-19T17:50:39+00:00** (S) Committee Executive Action--Bill Passed - (S) Taxation `committee-passage`
- **2025-03-20T21:16:00+00:00** (S) Committee Report--Bill Passed - (S) Taxation `committee-passage`
- **2025-04-01T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-01T20:31:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-04-02T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-02T21:59:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-04-02T23:08:38+00:00** (S) Transmitted to House
- **2025-04-03T17:54:17+00:00** (H) Referred to Committee - (H) Taxation `referral-committee`
- **2025-04-03T19:15:01+00:00** (H) First Reading `reading-1`
- **2025-04-04T17:18:00+00:00** (H) Hearing - (H) Taxation
- **2025-04-09T17:49:49+00:00** (H) Committee Executive Action--Bill Concurred - (H) Taxation
- **2025-04-09T22:13:00+00:00** (H) Committee Report--Bill Concurred - (H) Taxation
- **2025-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T20:06:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-15T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T20:33:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-04-15T20:33:28+00:00** (S) Sent to Enrolling
- **2025-04-17T12:14:19+00:00** (S) Returned from Enrolling
- **2025-04-22T23:00:10+00:00** (S) Signed by President `passage`
- **2025-05-01T18:00:14+00:00** (H) Signed by Speaker `passage`
- **2025-05-01T18:36:33+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-05-09T02:44:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-05-13T13:33:10+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/32f2e759-0688-4e62-ab0a-88693ee29da9`. Confidence: reported (aggregated from official Montana legislature records).