---
type: "Bill"
title: "Revise workers' compensation definition of treating physician to include physical therapists"
description: "Revise workers' compensation definition of treating physician to include physical therapists"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 109"
citation: "Montana SB 109 (2025)"
classification: ["bill"]
subjects: ["Professions and Occupations O-Z", "Workers' Compensation"]
status: "enacted"
primary_sponsors: ["Greg Hertz"]
version_count: 17
action_count: 38
vote_count: 6
first_action: "2024-11-22T17:32:52+00:00"
last_action: "2025-04-17T16:29:29+00:00"
source: "openstates"
source_identifier: "ocd-bill/d610bd63-3499-4876-a578-b390175962db"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC1804?open_tab=sum"
source_hash: "9678b5f349f95af77a25f41cbca2109054042e0f3d43f077e15e00e20025ddf8"
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 109 (2025) — Revise workers' compensation definition of treating physician to include physical therapists

## Version chain

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

1. **LC1804.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269719)
2. **SB0109_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271468)
3. **SB0109_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275236)
4. **SB0109_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276295)
5. **SB0109_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=283885)
6. **SB0109_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296599)
7. **SB0109_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299924)
8. **SB0109_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299925)
9. **SB0109_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270062)
10. **SB0109_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316561)
11. **SB0109_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320162)
12. **SB0109_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321128)
13. **SB0109_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321129)
14. **SB0109_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321130)
15. **SB0109_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324515)
16. **SB0109_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326357)
17. **SB0109_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310601)

## Votes

- Do Pass — **50–0** (pass) · upper
- be_concurred_in — **20–0** (pass) · lower
- Do Concur — **100–0** (pass) · lower
- Do Concur — **99–0** (pass) · lower
- do_pass — **11–0** (pass) · upper
- Do Pass — **49–1** (pass) · upper

## Sponsors

- Greg Hertz — primary (person)

## Timeline

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

- **2024-11-22T17:32:52+00:00** (LC) Drafter Assigned
- **2024-12-18T15:52:51+00:00** (LC) Draft in Legal Review
- **2024-12-18T20:54:54+00:00** (LC) Draft in Edit
- **2025-01-03T16:01:07+00:00** (LC) Draft in Input/Proofing
- **2025-01-03T16:31:18+00:00** (LC) Draft in Final Drafter Review
- **2025-01-04T21:52:23+00:00** (LC) Draft in Assembly
- **2025-01-08T15:47:08+00:00** (LC) Draft Delivered to Requester
- **2025-01-08T18:52:08+00:00** (S) Introduced
- **2025-01-08T20:10:00+00:00** (S) First Reading `reading-1`
- **2025-01-14T19:36:00+00:00** (S) Referred to Committee - (S) Business, Labor and Economic Affairs `referral-committee`
- **2025-01-21T23:35:31+00:00** (S) Hearing - (S) Business, Labor and Economic Affairs
- **2025-01-29T17:27:00+00:00** (S) Committee Executive Action--Bill Passed - (S) Business, Labor and Economic Affairs `committee-passage`
- **2025-01-30T21:57:00+00:00** (S) Committee Report--Bill Passed - (S) Business, Labor and Economic Affairs `committee-passage`
- **2025-02-15T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-02-15T15:39:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-18T20:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-02-18T21:31:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-02-18T22:50:41+00:00** (S) Transmitted to House
- **2025-02-19T15:00:00+00:00** (H) Fiscal Note Requested
- **2025-02-19T18:58:08+00:00** (H) Referred to Committee - (H) Business and Labor `referral-committee`
- **2025-02-19T20:10:01+00:00** (H) First Reading `reading-1`
- **2025-02-26T16:06:25+00:00** (S) Fiscal Note Received `receipt`
- **2025-02-26T16:06:38+00:00** (S) Fiscal Note Unsigned
- **2025-03-01T16:06:46+00:00** (S) Fiscal Note Printed
- **2025-03-07T01:35:25+00:00** (H) Hearing - (H) Business and Labor
- **2025-03-21T17:32:26+00:00** (H) Committee Executive Action--Bill Concurred - (H) Business and Labor
- **2025-03-21T19:36:00+00:00** (H) Committee Report--Bill Concurred - (H) Business and Labor
- **2025-03-26T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-26T20:38:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-03-27T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-27T19:49:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-03-27T19:50:56+00:00** (S) Sent to Enrolling
- **2025-03-28T16:59:11+00:00** (S) Returned from Enrolling
- **2025-04-02T18:00:52+00:00** (S) Signed by President `passage`
- **2025-04-08T15:45:31+00:00** (H) Signed by Speaker `passage`
- **2025-04-08T22:56:08+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-04-16T18:00:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-04-17T16:29:29+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d610bd63-3499-4876-a578-b390175962db`. Confidence: reported (aggregated from official Montana legislature records).