---
type: "Bill"
title: "Revise Sanitation in Subdivisions Act"
description: "Revise Sanitation in Subdivisions Act"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2019"
identifier: "HB 55"
citation: "Montana HB 55 (2019)"
classification: ["bill"]
subjects: ["Environmental Protection", "Health (see also: Health Care Services; Safety)", "Local Government (see also: City Subjects; County Subjects)", "Rule Making"]
status: "enacted"
primary_sponsors: ["Forrest Mandeville"]
version_count: 4
action_count: 46
vote_count: 8
first_action: "2018-09-17"
last_action: "2019-03-21"
source: "openstates"
source_identifier: "ocd-bill/308fb156-db23-49a7-9cde-0a36dc270b73"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=55&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20191"
source_hash: "ad9bc28b80a423670d78a52fd6212ca19e2545603c232d22f8cbb546429f87f6"
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 55 (2019) — Revise Sanitation in Subdivisions Act

## Version chain

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

1. **HB0055_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0099//HB0055_1.pdf)
2. **HB0055_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0099//HB0055_2.pdf)
3. **HB0055_x.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0099//HB0055_x.pdf)
4. **Enrolled** (enrolled) — [source](http://leg.mt.gov/bills/2019/billpdf/HB0055.pdf)

## Votes

- DO PASS — **17–0** (pass) · lower
- Do Pass — **96–3** (pass) · lower
- Do Concur — **50–0** (pass) · upper
- BE CONCURRED IN AS AMENDED — **9–0** (pass) · upper
- Do Concur — **44–0** (pass) · upper
- Do Pass — **97–1** (pass) · lower
- Do Concur — **90–4** (pass) · lower
- Do Concur — **95–5** (pass) · lower

## Sponsors

- Forrest Mandeville — primary (person)

## Timeline

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

- **2018-09-17** Draft Request Received
- **2018-11-09** Draft to Requester for Review
- **2018-11-28** Draft in Legal Review
- **2018-11-28** Draft in Edit
- **2018-11-30** Draft to Drafter - Edit Review [CMD]
- **2018-11-30** Draft in Input/Proofing
- **2018-12-04** Draft in Final Drafter Review
- **2018-12-04** Bill Draft Text Available Electronically
- **2018-12-04** Executive Director Review
- **2018-12-04** Draft in Assembly
- **2018-12-04** Pre-Introduction Letter Sent
- **2018-12-11** Introduced `introduction`
- **2018-12-11** Introduced Bill Text Available Electronically
- **2018-12-15** Referred to Committee `referral-committee`
- **2019-01-07** First Reading `reading-1`
- **2019-01-15** Hearing
- **2019-01-22** Committee Executive Action--Bill Passed `committee-passage`
- **2019-01-23** Committee Report--Bill Passed `committee-passage`
- **2019-01-25** Scheduled for 2nd Reading
- **2019-01-25** 2nd Reading Passed `reading-2`
- **2019-01-28** Scheduled for 3rd Reading
- **2019-01-28** 3rd Reading Passed `passage, reading-3`
- **2019-01-28** Transmitted to Senate
- **2019-01-29** First Reading `reading-1`
- **2019-01-29** Referred to Committee `referral-committee`
- **2019-02-11** Hearing
- **2019-02-18** Committee Executive Action--Bill Concurred as Amended
- **2019-02-19** Committee Report--Bill Concurred as Amended
- **2019-02-19** Printed - New Version Available
- **2019-03-09** Scheduled for 2nd Reading
- **2019-03-09** 2nd Reading Concurred `reading-2`
- **2019-03-11** Scheduled for 3rd Reading
- **2019-03-11** 3rd Reading Concurred `passage, reading-3`
- **2019-03-11** Returned to House with Amendments
- **2019-03-13** Scheduled for 2nd Reading
- **2019-03-13** 2nd Reading Senate Amendments Concurred `amendment-passage, amendment-amendment, reading-2`
- **2019-03-14** Scheduled for 3rd Reading
- **2019-03-14** 3rd Reading Passed as Amended by Senate `passage, reading-3`
- **2019-03-14** Sent to Enrolling
- **2019-03-15** Returned from Enrolling
- **2019-03-15** Printed - Enrolled Version Available
- **2019-03-18** Signed by Speaker
- **2019-03-18** Signed by President
- **2019-03-19** Transmitted to Governor `executive-receipt`
- **2019-03-20** Signed by Governor `executive-signature`
- **2019-03-21** Chapter Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/308fb156-db23-49a7-9cde-0a36dc270b73`. Confidence: reported (aggregated from official Montana legislature records).