---
type: "Bill"
title: "Revise laws related to prior authorization"
description: "Revise laws related to prior authorization"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 447"
citation: "Montana SB 447 (2025)"
classification: ["bill"]
subjects: ["Health", "Health Care Services", "Insurance"]
status: "enacted"
primary_sponsors: ["Vince Ricci"]
version_count: 55
action_count: 44
vote_count: 10
first_action: "2024-12-14T14:42:19+00:00"
last_action: "2025-05-16T15:37:49+00:00"
source: "openstates"
source_identifier: "ocd-bill/a5391cad-a2a9-40f7-8195-6b35f58ff058"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3199?open_tab=sum"
source_hash: "65b07d3e3ded458c244915ef1a9db731ba1423c32d9da917523e05edbf695ea2"
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 447 (2025) — Revise laws related to prior authorization

## Version chain

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

1. **LC3199.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=285668)
2. **SB0447.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289754)
3. **SB0447.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=292537)
4. **SB0447.001.002_Amendments-in-Context_final-not condensed(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=292539)
5. **SB0447.001.002_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=292538)
6. **SB0447.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306269)
7. **SB0447.002.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307321)
8. **SB0447.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=308008)
9. **SB0447_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287866)
10. **SB0447_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293152)
11. **SB0447_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293153)
12. **SB0447_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293154)
13. **SB0447_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293155)
14. **SB0447_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=286791)
15. **SB0447_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293157)
16. **SB0447_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293526)
17. **SB0447_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293724)
18. **SB0447_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307238)
19. **SB0447_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307530)
20. **SB0447_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307531)
21. **SB0447_2(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307532)
22. **SB0447_2(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307533)
23. **SB0447_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293158)
24. **SB0447_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293159)
25. **SB0447_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293170)
26. **SB0447_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293171)
27. **SB0447_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293172)
28. **SB0447_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293173)
29. **SB0447_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293174)
30. **SB0447_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293217)
31. **SB0447_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293156)
32. **SB0447_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307661)
33. **SB0447_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=308005)
34. **SB0447_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=308006)
35. **SB0447_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=308010)
36. **SB0447_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309031)
37. **SB0447_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309443)
38. **SB0447_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314070)
39. **SB0447_3(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314071)
40. **SB0447_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307660)
41. **SB0447_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314074)
42. **SB0447_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323019)
43. **SB0447_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323020)
44. **SB0447_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324997)
45. **SB0447_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326778)
46. **SB0447_X(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327773)
47. **SB0447_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316425)
48. **SB0447_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316426)
49. **SB0447_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316431)
50. **SB0447_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316436)
51. **SB0447_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316437)
52. **SB0447_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317380)
53. **SB0447_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320842)
54. **SB0447_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323018)
55. **SB0447_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314072)

## Votes

- be_concurred_in_as_amended — **20–0** (pass) · lower
- Do Pass — **41–8** (pass) · upper
- AMD-SB0447.001.002 Ricci D/PASS — **50–0** (pass) · upper
- Do Pass As Amended — **41–9** (pass) · upper
- Take SB 447 from Comm-Ricci — **44–6** (pass) · upper
- Do Pass — **48–0** (pass) · upper
- Do Concur — **100–0** (pass) · lower
- to_table — **11–1** (pass) · upper
- Do Concur — **99–0** (pass) · lower
- Do Pass — **50–0** (pass) · upper

## Sponsors

- Vince Ricci — primary (person)

## Timeline

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

- **2024-12-14T14:42:19+00:00** (LC) Drafter Assigned
- **2025-02-18T15:49:37+00:00** (LC) Draft in Legal Review
- **2025-02-18T22:30:18+00:00** (LC) Draft in Edit
- **2025-02-21T21:15:15+00:00** (LC) Draft in Input/Proofing
- **2025-02-21T22:41:51+00:00** (LC) Draft in Final Drafter Review
- **2025-02-21T23:01:42+00:00** (LC) Draft in Assembly
- **2025-02-22T15:10:51+00:00** (LC) Draft Ready for Delivery
- **2025-02-24T18:59:47+00:00** (LC) Draft Delivered to Requester
- **2025-02-24T22:12:43+00:00** (S) Introduced
- **2025-02-25T00:24:38+00:00** (S) Referred to Committee - (S) Business, Labor and Economic Affairs `referral-committee`
- **2025-02-25T20:06:54+00:00** (S) First Reading `reading-1`
- **2025-02-27T18:27:00+00:00** (S) Hearing - (S) Business, Labor and Economic Affairs
- **2025-03-04T19:00:07+00:00** (S) Tabled in Committee - (S) Business, Labor and Economic Affairs `amendment-deferral`
- **2025-03-04T22:40:00+00:00** (S) Taken from Committee; Placed on 2nd Reading - (S) Business, Labor and Economic Affairs `reading-2, reading-2`
- **2025-03-05T07:22:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-03-06T02:17:00+00:00** (S) 2nd Reading Motion to Amend Carried `reading-2`
- **2025-03-06T02:20:00+00:00** (S) 2nd Reading Passed as Amended `reading-2, reading-2`
- **2025-03-06T07:23:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-03-07T01:45:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-03-07T16:18:43+00:00** (S) Transmitted to House
- **2025-03-17T15:22:56+00:00** (H) Referred to Committee - (H) Business and Labor `referral-committee`
- **2025-03-17T19:15:00+00:00** (H) First Reading `reading-1`
- **2025-03-26T16:02:52+00:00** (S) Fiscal Note Received `receipt`
- **2025-03-27T23:30:45+00:00** (S) Fiscal Note Unsigned
- **2025-03-28T17:50:32+00:00** (S) Fiscal Note Printed
- **2025-04-08T22:25:30+00:00** (H) Hearing - (H) Business and Labor
- **2025-04-09T19:14:08+00:00** (H) Committee Executive Action--Bill Concurred as Amended - (H) Business and Labor
- **2025-04-09T22:00:00+00:00** (H) Committee Report--Bill Concurred as Amended - (H) Business and Labor
- **2025-04-11T14:30:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-11T17:00:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-11T21:01:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-11T23:58:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-04-12T01:02:50+00:00** (H) Returned to Senate with Amendments
- **2025-04-17T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-17T23:49:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-18T15:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-18T21:55:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2025-04-22T12:35:59+00:00** (S) Sent to Enrolling
- **2025-04-24T17:42:59+00:00** (S) Returned from Enrolling
- **2025-04-29T20:00:24+00:00** (S) Signed by President `passage`
- **2025-05-05T19:00:51+00:00** (H) Signed by Speaker `passage`
- **2025-05-05T19:55:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-05-13T16:36:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-05-16T15:37:49+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/a5391cad-a2a9-40f7-8195-6b35f58ff058`. Confidence: reported (aggregated from official Montana legislature records).