---
type: "Bill"
title: "Clarify time lines for subdivision review"
description: "Clarify time lines for subdivision review"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2017"
identifier: "HB 456"
citation: "Montana HB 456 (2017)"
classification: ["bill"]
subjects: ["Environmental Protection"]
status: "enacted"
primary_sponsors: ["Forrest Mandeville"]
version_count: 1
action_count: 49
vote_count: 6
first_action: "2016-12-02"
last_action: "2017-04-20"
source: "openstates"
source_identifier: "ocd-bill/88f01aa7-ead4-4c5b-8dc4-db9f27e4a936"
source_url: "http://laws.leg.mt.gov/legprd/LAW0203W$BSRV.ActionQuery?P_SESS=20171&P_BLTP_BILL_TYP_CD=&P_BILL_NO=&P_BILL_DFT_NO=LC1434&P_CHPT_NO=&Z_ACTION=Find&P_SBJT_SBJ_CD=&P_ENTY_ID_SEQ="
source_hash: "827da37af8aae2df4344edd1eca8564012e41fe830382cd433dac9e461fbb36c"
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 456 (2017) — Clarify time lines for subdivision review

## Version chain

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

1. **Enrolled** (enrolled) — [source](http://leg.mt.gov/bills/2017/BillPdf/HB0456.pdf)

## Votes

- Do Concur — **50–0** (pass) · legislature
- BE CONCURRED IN — **7–0** (pass) · legislature
- Do Concur — **48–0** (pass) · legislature
- DO PASS — **20–3** (pass) · legislature
- Do Pass — **98–2** (pass) · legislature
- Do Pass — **97–2** (pass) · legislature

## Sponsors

- Forrest Mandeville — primary (person)

## Timeline

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

- **2016-12-02** Draft Request Received
- **2017-01-21** Draft to Requester for Review
- **2017-01-31** Draft in Legal Review
- **2017-02-01** Draft in Edit
- **2017-02-02** Draft to Drafter - Edit Review [CMD]
- **2017-02-02** Draft in Input/Proofing
- **2017-02-03** Draft in Final Drafter Review
- **2017-02-03** Bill Draft Text Available Electronically
- **2017-02-03** Executive Director Review
- **2017-02-03** Draft in Assembly
- **2017-02-03** Executive Director Final Review
- **2017-02-03** Draft Ready for Delivery
- **2017-02-14** Draft Delivered to Requester
- **2017-02-14** Introduced `introduction`
- **2017-02-14** Fiscal Note Requested
- **2017-02-14** Referred to Committee `referral-committee`
- **2017-02-14** First Reading `reading-1`
- **2017-02-14** Introduced Bill Text Available Electronically
- **2017-02-17** Fiscal Note Received
- **2017-02-17** Fiscal Note Signed
- **2017-02-18** Fiscal Note Printed
- **2017-02-21** Hearing
- **2017-02-21** Committee Executive Action--Bill Passed `committee-passage`
- **2017-02-22** Committee Report--Bill Passed `committee-passage`
- **2017-02-22** Sponsors Engrossed
- **2017-02-22** Printed - New Version Available
- **2017-02-23** Scheduled for 2nd Reading
- **2017-02-23** 2nd Reading Passed `reading-2`
- **2017-02-24** Scheduled for 3rd Reading
- **2017-02-24** 3rd Reading Passed `passage, reading-3`
- **2017-02-24** Transmitted to Senate
- **2017-03-06** First Reading `reading-1`
- **2017-03-06** Referred to Committee `referral-committee`
- **2017-03-20** Hearing
- **2017-03-22** Committee Executive Action--Bill Concurred
- **2017-03-23** Committee Report--Bill Concurred
- **2017-03-31** Scheduled for 2nd Reading
- **2017-03-31** 2nd Reading Concurred `reading-2`
- **2017-04-01** Scheduled for 3rd Reading
- **2017-04-01** 3rd Reading Concurred `passage, reading-3`
- **2017-04-03** Returned to House
- **2017-04-03** Sent to Enrolling
- **2017-04-05** Returned from Enrolling
- **2017-04-05** Printed - Enrolled Version Available
- **2017-04-06** Signed by Speaker
- **2017-04-10** Signed by President
- **2017-04-10** Transmitted to Governor `executive-receipt`
- **2017-04-20** Signed by Governor `executive-signature`
- **2017-04-20** Chapter Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/88f01aa7-ead4-4c5b-8dc4-db9f27e4a936`. Confidence: reported (aggregated from official Montana legislature records).