---
type: "Bill"
title: "Revising certified public accountant education requirements"
description: "Revising certified public accountant education requirements"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 166"
citation: "Montana SB 166 (2025)"
classification: ["bill"]
subjects: ["Professions and Occupations Generally", "Rule Making"]
status: "enacted"
primary_sponsors: ["Greg Hertz"]
version_count: 33
action_count: 41
vote_count: 8
first_action: "2024-12-10T19:11:01+00:00"
last_action: "2025-05-05T17:39:16+00:00"
source: "openstates"
source_identifier: "ocd-bill/0e7674f4-fc8a-417a-86a5-7d775dbcef59"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC2641?open_tab=sum"
source_hash: "1f1040eae16e5226f825274f77913e3db7535dc55f750462ae5dad0207f8b227"
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 166 (2025) — Revising certified public accountant education requirements

## Version chain

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

1. **LC2641.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272280)
2. **SB0166.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294328)
3. **SB0166_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273190)
4. **SB0166_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275413)
5. **SB0166_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276461)
6. **SB0166_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=283888)
7. **SB0166_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295400)
8. **SB0166_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295957)
9. **SB0166_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295958)
10. **SB0166_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295959)
11. **SB0166_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295960)
12. **SB0166_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272439)
13. **SB0166_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295962)
14. **SB0166_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304977)
15. **SB0166_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304978)
16. **SB0166_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295967)
17. **SB0166_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295969)
18. **SB0166_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296058)
19. **SB0166_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296069)
20. **SB0166_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296075)
21. **SB0166_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296097)
22. **SB0166_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=300540)
23. **SB0166_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301046)
24. **SB0166_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295961)
25. **SB0166_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316715)
26. **SB0166_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320297)
27. **SB0166_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321668)
28. **SB0166_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321669)
29. **SB0166_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321670)
30. **SB0166_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324717)
31. **SB0166_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326655)
32. **SB0166_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327053)
33. **SB0166_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310774)

## Votes

- Do Pass — **48–1** (pass) · upper
- do_pass — **11–0** (pass) · upper
- be_concurred_in_as_amended — **20–0** (pass) · lower
- Do Pass — **47–3** (pass) · upper
- Do Concur — **100–0** (pass) · lower
- Do Pass — **48–2** (pass) · upper
- Do Pass — **49–1** (pass) · upper
- Do Concur — **99–0** (pass) · lower

## Sponsors

- Greg Hertz — primary (person)

## Timeline

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

- **2024-12-10T19:11:01+00:00** (LC) Drafter Assigned
- **2024-12-20T18:32:21+00:00** (LC) Draft On Hold
- **2025-01-16T14:49:37+00:00** (LC) Draft Taken Off Hold
- **2025-01-16T14:52:06+00:00** (LC) Draft in Legal Review
- **2025-01-16T14:52:06+00:00** (LC) Draft Taken Off Hold
- **2025-01-16T17:49:47+00:00** (LC) Draft in Edit
- **2025-01-16T22:49:05+00:00** (LC) Draft in Input/Proofing
- **2025-01-16T23:29:29+00:00** (LC) Draft in Final Drafter Review
- **2025-01-17T00:14:23+00:00** (LC) Draft in Assembly
- **2025-01-17T15:36:21+00:00** (LC) Draft Ready for Delivery
- **2025-01-17T20:42:49+00:00** (LC) Draft Delivered to Requester
- **2025-01-17T21:03:00+00:00** (S) Introduced
- **2025-01-20T21:55:00+00:00** (S) First Reading `reading-1`
- **2025-01-21T17:16:51+00:00** (S) Referred to Committee - (S) Business, Labor and Economic Affairs `referral-committee`
- **2025-01-21T23:35:32+00:00** (S) Hearing - (S) Business, Labor and Economic Affairs
- **2025-01-29T21:35:00+00:00** (S) Committee Executive Action--Bill Passed - (S) Business, Labor and Economic Affairs `committee-passage`
- **2025-02-11T20:48:00+00:00** (S) Committee Report--Bill Passed - (S) Business, Labor and Economic Affairs `committee-passage`
- **2025-02-15T16:53:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-18T21:32:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-02-18T22:50:48+00:00** (S) Transmitted to House
- **2025-02-19T18:57:20+00:00** (H) Referred to Committee - (H) Business and Labor `referral-committee`
- **2025-02-19T20:12:01+00:00** (H) First Reading `reading-1`
- **2025-03-06T21:57:38+00:00** (H) Hearing - (H) Business and Labor
- **2025-03-19T17:05:26+00:00** (H) Committee Executive Action--Bill Concurred as Amended - (H) Business and Labor
- **2025-03-20T19:24:00+00:00** (H) Committee Report--Bill Concurred as Amended - (H) Business and Labor
- **2025-03-27T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-27T21:00:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-03-28T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-28T19:32:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-03-28T22:02:51+00:00** (H) Returned to Senate with Amendments
- **2025-04-03T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-03T21:12:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-04T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-04T19:26:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2025-04-04T21:01:42+00:00** (S) Sent to Enrolling
- **2025-04-05T14:34:07+00:00** (S) Returned from Enrolling
- **2025-04-13T21:00:21+00:00** (S) Signed by President `passage`
- **2025-04-18T19:00:38+00:00** (H) Signed by Speaker `passage`
- **2025-04-22T15:18:05+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-05-01T18:33:04+00:00** (S) Signed by Governor `executive-signature`
- **2025-05-05T17:39:16+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/0e7674f4-fc8a-417a-86a5-7d775dbcef59`. Confidence: reported (aggregated from official Montana legislature records).