---
type: "Bill"
title: "Revise changes to coal mining operations"
description: "Revise changes to coal mining operations"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "HB 656"
citation: "Montana HB 656 (2023)"
classification: ["bill"]
subjects: ["Mining and Minerals (see also: Oil and Gas)"]
status: "enacted"
primary_sponsors: ["Gary Parry"]
version_count: 10
action_count: 49
vote_count: 7
first_action: "2022-12-03T20:50:34+00:00"
last_action: "2023-05-19T17:09:17+00:00"
source: "openstates"
source_identifier: "ocd-bill/3cc9bc07-7216-47d9-a286-599f751becb5"
source_url: "https://bills.legmt.gov/#/bill/20231/LC2419"
source_hash: "746582972ee88cbd72f2e35ad1db638e7627c1fedcac4b85b3cd5b4ddca355be"
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 656 (2023) — Revise changes to coal mining operations

## Version chain

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

1. **HB0656.001.001_Amendments-in-Context_final-condensed - Copy.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9686)
2. **HB0656.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9685)
3. **HB0656.001.001_Amendments-in-Context_final-full - Copy.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9683)
4. **HB0656.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9682)
5. **HB0656.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9681)
6. **HB0656.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9684)
7. **HB0656001SCH20549.hlc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11145)
8. **HB0656_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9687)
9. **HB0656_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9688)
10. **HB0656_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9689)

## Votes

- (H) 2nd Reading Passed — **100–0** (pass) · lower
- (S) Committee Executive Action--Bill Concurred — **6–5** (pass) · upper
- (S) 2nd Reading Motion to Amend Failed — **14–28** (fail) · upper
- (S) 3rd Reading Concurred — **33–17** (pass) · upper
- (H) 3rd Reading Passed — **97–2** (pass) · lower
- (S) 2nd Reading Concurred — **33–17** (pass) · upper
- (H) Committee Executive Action--Bill Passed as Amended — **15–0** (pass) · lower

## Sponsors

- Gary Parry — primary (person)

## Timeline

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

- **2023-05-19T17:09:17+00:00** Chapter Number Assigned `became-law`
- **2023-05-18T23:22:54+00:00** (H) Signed by Governor `executive-signature`
- **2023-05-08T16:20:00+00:00** (H) Transmitted to Governor `executive-receipt`
- **2023-05-04T18:00:00+00:00** (S) Signed by President `passage`
- **2023-04-29T20:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-04-23T19:14:21+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-23T19:14:20+00:00** (H) Returned from Enrolling
- **2023-04-20T15:19:00+00:00** (H) Sent to Enrolling
- **2023-04-19T02:42:00+00:00** (S) Returned to House
- **2023-04-18T22:09:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2023-04-18T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-18T00:06:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-18T00:02:00+00:00** (S) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2023-04-17T22:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-14T19:09:00+00:00** (S) Committee Report--Bill Concurred
- **2023-04-12T21:00:00+00:00** (S) Committee Executive Action--Bill Concurred
- **2023-03-29T21:00:00+00:00** (S) Hearing
- **2023-03-13T22:37:06+00:00** (S) Referred to Committee `referral-committee`
- **2023-03-10T00:14:25+00:00** (S) First Reading `reading-1`
- **2023-03-03T17:20:39+00:00** (H) Transmitted to Senate
- **2023-03-03T04:29:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2023-03-02T20:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-03-01T22:25:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-01T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-02-27T20:38:06+00:00** (C) Printed - New Version Available
- **2023-02-27T20:35:00+00:00** (H) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-02-24T22:00:00+00:00** (H) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-02-24T17:10:36+00:00** (C) Amendments Available
- **2023-02-22T22:00:27+00:00** (H) Hearing
- **2023-02-21T22:38:56+00:00** (H) First Reading `reading-1`
- **2023-02-20T18:08:41+00:00** (H) Referred to Committee `referral-committee`
- **2023-02-18T23:35:25+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-18T01:09:58+00:00** (H) Introduced
- **2023-02-16T23:38:59+00:00** (C) Draft Delivered to Requester
- **2023-02-16T19:18:33+00:00** (C) Draft Ready for Delivery
- **2023-02-15T23:24:44+00:00** (C) Executive Director Final Review
- **2023-02-15T23:24:40+00:00** (C) Draft Ready for Delivery
- **2023-02-15T19:41:54+00:00** (C) Draft in Assembly
- **2023-02-15T19:01:58+00:00** (C) Executive Director Review
- **2023-02-15T18:01:01+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-15T18:01:00+00:00** (C) Draft in Final Drafter Review
- **2023-02-15T02:26:26+00:00** (C) Draft in Input/Proofing
- **2023-02-14T20:49:12+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-11T20:44:19+00:00** (C) Draft in Edit
- **2023-02-11T00:24:19+00:00** (C) Draft in Legal Review
- **2023-02-10T18:42:46+00:00** (C) Draft to Requester for Review
- **2023-02-09T21:44:28+00:00** (C) Draft to Requester for Review
- **2023-02-03T23:16:29+00:00** (C) Draft to Requester for Review
- **2022-12-03T20:50:34+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3cc9bc07-7216-47d9-a286-599f751becb5`. Confidence: reported (aggregated from official Montana legislature records).