---
type: "Bill"
title: "Allow for administrative minor subdivision process"
description: "Allow for administrative minor subdivision process"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 170"
citation: "Montana SB 170 (2023)"
classification: ["bill"]
subjects: ["Planning and Development", "Property"]
status: "enacted"
primary_sponsors: ["Forrest Mandeville"]
version_count: 10
action_count: 53
vote_count: 8
first_action: "2022-10-17T18:50:22+00:00"
last_action: "2023-05-04T15:38:28+00:00"
source: "openstates"
source_identifier: "ocd-bill/588a8511-1640-4fb7-a2c9-145ddcbb9a3a"
source_url: "https://bills.legmt.gov/#/bill/20231/LC0724"
source_hash: "4b7d76aa7b02c72cee915c602d7a603d5a4603a80641817596872323d6c82f84"
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 170 (2023) — Allow for administrative minor subdivision process

## Version chain

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

1. **SB0170.001.001_Amendments-in-Context_final-full (1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4801)
2. **SB0170.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4803)
3. **SB0170.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4802)
4. **SB0170.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4800)
5. **SB0170001SCS16509.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4786)
6. **SB0170002SCS16509.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4787)
7. **SB0170_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4760)
8. **SB0170_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4763)
9. **SB0170_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4762)
10. **SB0170_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=4761)

## Votes

- (S) 2nd Reading House Amendments Concurred — **50–0** (pass) · upper
- (H) Committee Executive Action--Bill Concurred as Amended — **16–0** (pass) · lower
- (S) 3rd Reading Passed — **47–3** (pass) · upper
- (H) 3rd Reading Concurred — **93–4** (pass) · lower
- (S) 3rd Reading Passed as Amended by House — **50–0** (pass) · upper
- (S) Committee Executive Action--Bill Passed as Amended — **9–0** (pass) · upper
- (H) 2nd Reading Concurred — **89–11** (pass) · lower
- (S) 2nd Reading Passed — **47–1** (pass) · upper

## Sponsors

- Forrest Mandeville — primary (person)

## Timeline

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

- **2023-05-04T15:38:28+00:00** Chapter Number Assigned `became-law`
- **2023-05-02T17:10:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-04-24T16:50:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-04-22T14:30:00+00:00** (H) Signed by Speaker `passage`
- **2023-04-19T16:00:00+00:00** (S) Signed by President `passage`
- **2023-04-18T00:08:34+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-18T00:08:33+00:00** (S) Returned from Enrolling
- **2023-04-11T23:30:10+00:00** (S) Sent to Enrolling
- **2023-04-11T19:26:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2023-04-11T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-07T20:15:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-04-07T19:00:01+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-07T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-06T00:13:15+00:00** (H) Returned to Senate with Amendments
- **2023-04-05T21:31:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-05T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-04T20:57:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-04T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-03-29T21:03:17+00:00** (C) Printed - New Version Available
- **2023-03-29T19:31:00+00:00** (H) Committee Report--Bill Concurred as Amended
- **2023-03-28T21:00:00+00:00** (H) Committee Executive Action--Bill Concurred as Amended
- **2023-03-25T15:00:00+00:00** (H) Hearing
- **2023-03-23T18:15:41+00:00** (H) Hearing Canceled
- **2023-03-11T15:11:21+00:00** (H) First Reading `reading-1`
- **2023-03-11T14:35:30+00:00** (H) Referred to Committee `referral-committee`
- **2023-02-01T21:41:24+00:00** (S) Transmitted to House
- **2023-01-31T22:13:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-01-30T21:05:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-01-26T22:13:19+00:00** (C) Printed - New Version Available
- **2023-01-26T20:05:00+00:00** (S) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-01-25T20:32:37+00:00** (C) Amendments Available
- **2023-01-25T17:10:00+00:00** (S) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-01-18T21:00:18+00:00** (S) Hearing
- **2023-01-16T20:13:00+00:00** (S) First Reading `reading-1`
- **2023-01-16T18:36:25+00:00** (S) Referred to Committee `referral-committee`
- **2023-01-13T22:56:21+00:00** (C) Introduced Bill Text Available Electronically
- **2023-01-13T20:34:36+00:00** (S) First Reading `reading-1`
- **2023-01-13T17:42:39+00:00** (C) Introduced Bill Text Available Electronically
- **2023-01-12T20:51:38+00:00** (S) Introduced
- **2023-01-12T20:44:07+00:00** (C) Draft Delivered to Requester
- **2022-12-28T22:31:56+00:00** (C) Draft Ready for Delivery
- **2022-12-21T20:56:37+00:00** (C) Executive Director Final Review
- **2022-12-21T20:55:54+00:00** (C) Draft Ready for Delivery
- **2022-12-21T20:08:51+00:00** (C) Draft in Assembly
- **2022-12-21T14:51:48+00:00** (C) Executive Director Review
- **2022-12-20T22:47:51+00:00** (C) Bill Draft Text Available Electronically
- **2022-12-20T22:47:50+00:00** (C) Draft in Final Drafter Review
- **2022-12-20T00:34:52+00:00** (C) Draft in Input/Proofing
- **2022-12-19T23:49:57+00:00** (C) Draft to Drafter - Edit Review
- **2022-12-19T23:23:29+00:00** (C) Draft in Edit
- **2022-12-16T23:45:13+00:00** (C) Draft in Legal Review
- **2022-12-16T23:01:03+00:00** (C) Draft to Requester for Review
- **2022-10-17T18:50:22+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/588a8511-1640-4fb7-a2c9-145ddcbb9a3a`. Confidence: reported (aggregated from official Montana legislature records).