---
type: "Bill"
title: "Revise laws related to coal-fired generation remediation activities"
description: "Revise laws related to coal-fired generation remediation activities"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2019"
identifier: "SB 264"
citation: "Montana SB 264 (2019)"
classification: ["bill"]
subjects: ["Energy", "Environmental Protection", "Rule Making"]
status: "enacted"
primary_sponsors: ["Jason D Small"]
version_count: 4
action_count: 46
vote_count: 6
first_action: "2018-12-05"
last_action: "2019-05-03"
source: "openstates"
source_identifier: "ocd-bill/59bcf7e8-79a1-47dd-9944-70f64f10aee9"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=264&P_BLTP_BILL_TYP_CD=SB&Z_ACTION=Find&P_SESS=20191"
source_hash: "2f7937609d595592e75a25c00599dc00563c75cfdb4c45480711e3d5709906ec"
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 264 (2019) — Revise laws related to coal-fired generation remediation activities

## Version chain

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

1. **SB0264_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0299//SB0264_1.pdf)
2. **SB0264_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0299//SB0264_2.pdf)
3. **SB0264_x.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0299//SB0264_x.pdf)
4. **Enrolled** (enrolled) — [source](http://leg.mt.gov/bills/2019/billpdf/SB0264.pdf)

## Votes

- Do Concur — **66–32** (pass) · lower
- Do Concur — **73–27** (pass) · lower
- Do Pass — **42–8** (pass) · upper
- DO PASS — **12–0** (pass) · upper
- Do Pass — **38–12** (pass) · upper
- BE CONCURRED IN — **19–0** (pass) · lower

## Sponsors

- Jason D Small — primary (person)

## Timeline

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

- **2018-12-05** Draft Request Received
- **2019-02-05** Draft to Requester for Review
- **2019-02-05** Draft in Legal Review
- **2019-02-07** Draft in Edit
- **2019-02-09** Draft to Drafter - Edit Review [CMD]
- **2019-02-09** Draft in Input/Proofing
- **2019-02-11** Draft in Final Drafter Review
- **2019-02-11** Bill Draft Text Available Electronically
- **2019-02-11** Executive Director Review
- **2019-02-11** Draft in Assembly
- **2019-02-11** Executive Director Final Review
- **2019-02-11** Draft Ready for Delivery
- **2019-02-12** Draft Delivered to Requester
- **2019-02-14** Introduced `introduction`
- **2019-02-14** First Reading `reading-1`
- **2019-02-14** Introduced Bill Text Available Electronically
- **2019-02-20** Referred to Committee `referral-committee`
- **2019-02-22** Hearing
- **2019-02-22** Committee Executive Action--Bill Passed `committee-passage`
- **2019-02-25** Committee Report--Bill Passed `committee-passage`
- **2019-02-25** Sponsors Engrossed
- **2019-02-25** Printed - New Version Available
- **2019-02-27** Scheduled for 2nd Reading
- **2019-02-27** 2nd Reading Passed `reading-2`
- **2019-02-27** Scheduled for 3rd Reading
- **2019-02-27** 3rd Reading Passed `passage, reading-3`
- **2019-02-27** Transmitted to House
- **2019-02-28** Referred to Committee `referral-committee`
- **2019-02-28** First Reading `reading-1`
- **2019-03-11** Hearing Canceled
- **2019-03-25** Hearing
- **2019-03-25** Committee Executive Action--Bill Concurred
- **2019-03-25** Committee Report--Bill Concurred
- **2019-04-02** Scheduled for 2nd Reading
- **2019-04-02** 2nd Reading Concurred `reading-2`
- **2019-04-03** Scheduled for 3rd Reading
- **2019-04-03** 3rd Reading Concurred `passage, reading-3`
- **2019-04-03** Returned to Senate
- **2019-04-03** Sent to Enrolling
- **2019-04-05** Returned from Enrolling
- **2019-04-08** Printed - Enrolled Version Available
- **2019-04-15** Signed by President
- **2019-04-18** Signed by Speaker
- **2019-04-26** Transmitted to Governor `executive-receipt`
- **2019-05-02** Signed by Governor `executive-signature`
- **2019-05-03** Chapter Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/59bcf7e8-79a1-47dd-9944-70f64f10aee9`. Confidence: reported (aggregated from official Montana legislature records).