---
type: "Bill"
title: "Revise healthcare contract laws to prohibit certain restrictions"
description: "Revise healthcare contract laws to prohibit certain restrictions"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 451"
citation: "Montana SB 451 (2023)"
classification: ["bill"]
subjects: ["Contracts (see also: Public Contracts)", "Health (see also: Health Care Services; Safety)", "Professions and Occupations Generally"]
status: "enacted"
primary_sponsors: ["Jason Small"]
version_count: 4
action_count: 47
vote_count: 6
first_action: "2022-12-03T18:34:28+00:00"
last_action: "2023-05-09T17:13:22+00:00"
source: "openstates"
source_identifier: "ocd-bill/18728611-146d-472b-9b13-b25dcdc114bf"
source_url: "https://bills.legmt.gov/#/bill/20231/LC2255"
source_hash: "eed847e0d851578a68a3d93fd69cd25ec0603a2d2655ff1b9f067115a6835caa"
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 451 (2023) — Revise healthcare contract laws to prohibit certain restrictions

## Version chain

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

1. **SB0451.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19372)
2. **SB0451001SCS19674.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19371)
3. **SB0451_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19373)
4. **SB0451_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=19374)

## Votes

- (H) 2nd Reading Concurred — **100–0** (pass) · lower
- (S) Committee Executive Action--Bill Passed — **10–0** (pass) · upper
- (S) 2nd Reading Passed — **50–0** (pass) · upper
- (H) Committee Executive Action--Bill Concurred — **19–0** (pass) · lower
- (S) 3rd Reading Passed — **49–1** (pass) · upper
- (H) 3rd Reading Concurred — **100–0** (pass) · lower

## Sponsors

- Jason Small — primary (person)

## Timeline

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

- **2023-05-09T17:13:22+00:00** Chapter Number Assigned `became-law`
- **2023-05-08T20:32:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-05-01T15:00:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-04-29T19:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-04-20T22:00:00+00:00** (S) Signed by President `passage`
- **2023-04-18T16:59:01+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-18T16:59:00+00:00** (S) Returned from Enrolling
- **2023-04-14T20:20:52+00:00** (S) Sent to Enrolling
- **2023-04-14T19:38:58+00:00** (H) Returned to Senate
- **2023-04-13T22:27:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-13T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-12T17:34:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-12T14:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-05T19:17:00+00:00** (H) Committee Report--Bill Concurred
- **2023-04-05T14:00:00+00:00** (H) Committee Executive Action--Bill Concurred
- **2023-03-31T14:00:00+00:00** (H) Hearing
- **2023-03-31T13:12:42+00:00** (C) Amendments Available
- **2023-03-29T23:18:29+00:00** (H) Hearing Canceled
- **2023-03-15T21:46:14+00:00** (H) First Reading `reading-1`
- **2023-03-15T21:34:24+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-03T18:25:04+00:00** (S) Transmitted to House
- **2023-03-03T05:18:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-03-03T01:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-03-02T21:33:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-02T17:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-03-01T23:09:00+00:00** (S) Committee Report--Bill Passed `committee-passage`
- **2023-03-01T15:00:00+00:00** (S) Committee Executive Action--Bill Passed `committee-passage`
- **2023-02-28T15:00:14+00:00** (S) Hearing
- **2023-02-24T18:40:40+00:00** (S) Referred to Committee `referral-committee`
- **2023-02-22T20:36:00+00:00** (S) First Reading `reading-1`
- **2023-02-21T23:36:19+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-21T23:22:24+00:00** (S) Introduced
- **2023-02-17T19:46:02+00:00** (C) Draft Ready for Delivery
- **2023-02-17T16:10:00+00:00** (C) Draft Delivered to Requester
- **2023-02-17T15:27:00+00:00** (C) Executive Director Final Review
- **2023-02-17T15:26:52+00:00** (C) Draft Ready for Delivery
- **2023-02-17T00:25:34+00:00** (C) Draft in Assembly
- **2023-02-17T00:07:41+00:00** (C) Executive Director Review
- **2023-02-16T23:56:54+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-16T23:56:53+00:00** (C) Draft in Final Drafter Review
- **2023-02-16T21:45:12+00:00** (C) Draft in Input/Proofing
- **2023-02-16T21:41:02+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-13T23:46:01+00:00** (C) Draft in Edit
- **2023-02-13T21:27:13+00:00** (C) Draft in Legal Review
- **2023-02-13T17:14:35+00:00** (C) Draft to Requester for Review
- **2023-02-08T01:32:47+00:00** (C) Draft to Requester for Review
- **2022-12-03T18:34:28+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/18728611-146d-472b-9b13-b25dcdc114bf`. Confidence: reported (aggregated from official Montana legislature records).