---
type: "Bill"
title: "Increase registration fee for underground petroleum tanks"
description: "Increase registration fee for underground petroleum tanks"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 46"
citation: "Montana SB 46 (2025)"
classification: ["bill"]
subjects: ["Environmental Protection", "Gas and Oil", "Revenue", "State", "State Finance"]
status: "enacted"
primary_sponsors: ["John Esp"]
version_count: 22
action_count: 39
vote_count: 6
first_action: "2024-10-09T20:09:43+00:00"
last_action: "2025-05-13T19:54:32+00:00"
source: "openstates"
source_identifier: "ocd-bill/3b5236a8-b17c-48bb-9837-768eb7c7e433"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0541?open_tab=sum"
source_hash: "97866521928247fe909581090dcd576e1dc8b551b956b39c7e8c00b6949db653"
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 46 (2025) — Increase registration fee for underground petroleum tanks

## Version chain

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

1. **LC0541.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=266612)
2. **SB0046_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267831)
3. **SB0046_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275101)
4. **SB0046_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276172)
5. **SB0046_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=279392)
6. **SB0046_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296932)
7. **SB0046_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311575)
8. **SB0046_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311581)
9. **SB0046_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267830)
10. **SB0046_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311583)
11. **SB0046_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324920)
12. **SB0046_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325799)
13. **SB0046_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327333)
14. **SB0046_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311584)
15. **SB0046_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312308)
16. **SB0046_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312309)
17. **SB0046_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317072)
18. **SB0046_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320638)
19. **SB0046_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322572)
20. **SB0046_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322573)
21. **SB0046_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322574)
22. **SB0046_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311582)

## Votes

- Do Concur — **99–1** (pass) · lower
- be_concurred_in — **14–0** (pass) · lower
- do_pass — **11–0** (pass) · upper
- Do Pass — **44–4** (pass) · upper
- Do Concur — **96–1** (pass) · lower
- Do Pass — **46–4** (pass) · upper

## Sponsors

- John Esp — primary (person)

## Timeline

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

- **2024-10-09T20:09:43+00:00** (LC) Drafter Assigned
- **2024-11-25T18:20:15+00:00** (LC) Draft in Legal Review
- **2024-11-25T22:21:10+00:00** (LC) Draft in Edit
- **2024-12-02T16:08:46+00:00** (LC) Draft in Input/Proofing
- **2024-12-03T15:57:17+00:00** (LC) Draft in Final Drafter Review
- **2024-12-04T18:53:57+00:00** (LC) Draft in Assembly
- **2024-12-05T17:09:28+00:00** (LC) Draft Ready for Delivery
- **2024-12-12T17:15:58+00:00** (LC) Draft Delivered to Requester
- **2024-12-12T18:59:00+00:00** (S) Introduced
- **2024-12-18T17:39:35+00:00** (S) Fiscal Note Requested
- **2024-12-19T00:28:24+00:00** (S) Fiscal Note Received `receipt`
- **2025-01-06T21:42:00+00:00** (S) First Reading `reading-1`
- **2025-01-08T17:08:00+00:00** (S) Fiscal Note Signed
- **2025-01-09T17:07:00+00:00** (S) Fiscal Note Printed
- **2025-01-14T19:17:00+00:00** (S) Referred to Committee - (S) Natural Resources `referral-committee`
- **2025-01-23T18:56:58+00:00** (S) Hearing - (S) Natural Resources
- **2025-01-29T22:53:25+00:00** (S) Committee Executive Action--Bill Passed - (S) Natural Resources `committee-passage`
- **2025-01-30T21:56:00+00:00** (S) Committee Report--Bill Passed - (S) Natural Resources `committee-passage`
- **2025-02-04T20:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-02-04T20:33:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-05T20:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-02-05T23:03:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-02-05T23:41:17+00:00** (S) Transmitted to House
- **2025-02-06T18:12:01+00:00** (H) Referred to Committee - (H) Natural Resources `referral-committee`
- **2025-02-06T20:06:01+00:00** (H) First Reading `reading-1`
- **2025-03-17T22:19:37+00:00** (H) Hearing - (H) Natural Resources
- **2025-03-21T23:22:48+00:00** (H) Committee Executive Action--Bill Concurred - (H) Natural Resources
- **2025-03-24T20:05:00+00:00** (H) Committee Report--Bill Concurred - (H) Natural Resources
- **2025-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T20:09:00+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`
- **2025-04-15T20:33:58+00:00** (S) Sent to Enrolling
- **2025-04-17T12:19:09+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`
- **2025-05-09T02:16:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-05-13T19:54:32+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/3b5236a8-b17c-48bb-9837-768eb7c7e433`. Confidence: reported (aggregated from official Montana legislature records).