---
type: "Bill"
title: "Generally revise property tax laws"
description: "Generally revise property tax laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 542"
citation: "Montana SB 542 (2025)"
classification: ["bill"]
subjects: ["Revenue", "Local", "Revenue", "State", "Taxation", "Taxation--Property"]
status: "enacted"
primary_sponsors: ["Wylie Galt"]
version_count: 81
action_count: 65
vote_count: 17
first_action: "2024-09-06T15:00:34+00:00"
last_action: "2025-05-19T14:25:49+00:00"
source: "openstates"
source_identifier: "ocd-bill/d65e185d-1e26-4018-9ec1-c9cca6425ae0"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0189?open_tab=sum"
source_hash: "57399c0e28fd5698b799fd2129844339ca5dc2b8bd03da1b936a2282a53a2382"
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 542 (2025) — Generally revise property tax laws

## Version chain

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

1. **HB0528.002.005_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313186)
2. **LC0189.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297902)
3. **SB0542.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310244)
4. **SB0542.001.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311508)
5. **SB0542.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309513)
6. **SB0542.001.002_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309514)
7. **SB0542.001.005_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311504)
8. **SB0542.001.005_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311507)
9. **SB0542.001.008_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313170)
10. **SB0542.001.008_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313171)
11. **SB0542.001.009_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313141)
12. **SB0542.001.009_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313164)
13. **SB0542.001.011_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313140)
14. **SB0542.001.011_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313167)
15. **SB0542.001.012_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313172)
16. **SB0542.001.012_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313173)
17. **SB0542.001.013_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313274)
18. **SB0542.001.013_combo_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313275)
19. **SB0542.002.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313965)
20. **SB0542.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313964)
21. **SB0542.002.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314223)
22. **SB0542.002.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314224)
23. **SB0542.002.004_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314382)
24. **SB0542.002.004_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314393)
25. **SB0542.002.005_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314476)
26. **SB0542.002.005_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314477)
27. **SB0542.002.006_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314418)
28. **SB0542.002.006_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314417)
29. **SB0542.002.007_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314441)
30. **SB0542.002.007_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314443)
31. **SB0542.003.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318574)
32. **SB0542.003.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318575)
33. **SB0542_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=305397)
34. **SB0542_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313219)
35. **SB0542_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313320)
36. **SB0542_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313321)
37. **SB0542_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313322)
38. **SB0542_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313323)
39. **SB0542_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313948)
40. **SB0542_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298116)
41. **SB0542_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313949)
42. **SB0542_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313950)
43. **SB0542_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313951)
44. **SB0542_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314307)
45. **SB0542_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314321)
46. **SB0542_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314682)
47. **SB0542_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314683)
48. **SB0542_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314684)
49. **SB0542_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314685)
50. **SB0542_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313354)
51. **SB0542_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314687)
52. **SB0542_3(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319757)
53. **SB0542_3(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319761)
54. **SB0542_3(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320076)
55. **SB0542_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314688)
56. **SB0542_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314720)
57. **SB0542_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314721)
58. **SB0542_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314723)
59. **SB0542_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314724)
60. **SB0542_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314725)
61. **SB0542_3(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314926)
62. **SB0542_3(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317650)
63. **SB0542_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314686)
64. **SB0542_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319800)
65. **SB0542_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325362)
66. **SB0542_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325363)
67. **SB0542_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325364)
68. **SB0542_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325641)
69. **SB0542_X(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327065)
70. **SB0542_X(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327887)
71. **SB0542_X(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327912)
72. **SB0542_X(17).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=328126)
73. **SB0542_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319801)
74. **SB0542_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319976)
75. **SB0542_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319977)
76. **SB0542_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319978)
77. **SB0542_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319979)
78. **SB0542_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319980)
79. **SB0542_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321079)
80. **SB0542_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324488)
81. **SB0542_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319763)

## Votes

- AMD-SB0542.002.003 Running Wolf DO PASS — **41–59** (fail) · lower
- Do Concur As Amended — **80–20** (pass) · lower
- AMD-SB0542.002.002 Caferro DO PASS — **33–67** (fail) · lower
- AMD-SB0542.002.004 Zolnikov DO PASS — **99–0** (pass) · lower
- AMD-SB0542.002.005 Gillette DO PASS — **29–71** (fail) · lower
- Do Pass — **36–12** (pass) · upper
- AMD-SB0542.002.006 Zolnikov DO PASS — **27–73** (fail) · lower
- Do Pass — **43–7** (pass) · upper
- do_pass — **19–3** (pass) · upper
- Do Adopt — **29–21** (pass) · upper
- be_concurred_in_as_amended — **21–0** (pass) · lower
- Do Concur — **72–27** (pass) · lower
- AMD-SB0542.002.007 Hinkle J DO PASS — **17–83** (fail) · lower
- Do Adopt — **28–22** (pass) · upper
- do_pass — **7–1** (pass) · upper
- Cloture-Sprunger — **95–4** (pass) · lower
- Do Not Concur — **48–1** (pass) · upper

## Sponsors

- Wylie Galt — primary (person)

## Timeline

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

- **2024-09-06T15:00:34+00:00** (LC) Drafter Assigned
- **2024-12-23T22:01:34+00:00** (LC) Draft On Hold
- **2025-03-24T18:38:55+00:00** (LC) Draft Taken Off Hold
- **2025-03-25T13:07:59+00:00** (LC) Draft in Legal Review
- **2025-03-25T13:54:53+00:00** (LC) Draft in Edit
- **2025-03-25T14:23:50+00:00** (LC) Draft in Input/Proofing
- **2025-03-25T14:35:34+00:00** (LC) Draft in Final Drafter Review
- **2025-03-25T15:16:02+00:00** (LC) Draft in Assembly
- **2025-03-25T15:19:44+00:00** (S) Fiscal Note Requested
- **2025-03-25T15:28:41+00:00** (LC) Draft Ready for Delivery
- **2025-03-25T17:46:01+00:00** (LC) Draft Delivered to Requester
- **2025-03-25T17:48:17+00:00** (S) Introduced
- **2025-03-25T19:53:33+00:00** (S) First Reading `reading-1`
- **2025-03-25T21:58:41+00:00** (S) Fiscal Note Requested
- **2025-03-25T22:41:32+00:00** (S) Referred to Committee - (S) Taxation `referral-committee`
- **2025-03-27T19:13:21+00:00** (S) Hearing - (S) Taxation
- **2025-04-01T15:19:55+00:00** (S) Fiscal Note Received `receipt`
- **2025-04-01T15:20:03+00:00** (S) Fiscal Note Signed
- **2025-04-01T17:15:55+00:00** (S) Committee Executive Action--Bill Passed - (S) Taxation `committee-passage`
- **2025-04-01T21:59:34+00:00** (S) Fiscal Note Printed
- **2025-04-02T19:23:00+00:00** (S) Committee Report--Bill Passed - (S) Taxation `committee-passage`
- **2025-04-03T09:02:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-03T21:16:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-04-03T22:10:00+00:00** (S) Rereferred to Committee - (S) Finance and Claims `referral-committee, referral-committee`
- **2025-04-03T23:17:36+00:00** (S) Hearing - (S) Finance and Claims
- **2025-04-04T16:27:04+00:00** (S) Committee Executive Action--Bill Passed - (S) Finance and Claims `committee-passage`
- **2025-04-04T19:13:00+00:00** (S) Committee Report--Bill Passed - (S) Finance and Claims `committee-passage`
- **2025-04-05T09:03:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-05T14:32:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-04-05T16:50:21+00:00** (S) Transmitted to House
- **2025-04-07T15:53:38+00:00** (H) Referred to Committee - (H) Taxation `referral-committee`
- **2025-04-07T19:51:33+00:00** (H) First Reading `reading-1`
- **2025-04-09T19:15:29+00:00** (H) Hearing - (H) Taxation
- **2025-04-18T14:51:52+00:00** (H) Committee Executive Action--Bill Concurred as Amended - (H) Taxation
- **2025-04-18T16:39:00+00:00** (H) Committee Report--Bill Concurred as Amended - (H) Taxation
- **2025-04-18T17:29:06+00:00** (S) Revised Fiscal Note Requested
- **2025-04-22T21:30:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-22T23:23:00+00:00** (H) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2025-04-22T23:30:00+00:00** (H) 2nd Reading Motion to Amend Carried `reading-2`
- **2025-04-22T23:46:00+00:00** (H) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2025-04-22T23:57:00+00:00** (H) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2025-04-23T00:05:00+00:00** (H) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2025-04-23T00:31:00+00:00** (H) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2025-04-23T00:33:00+00:00** (H) 2nd Reading Concurred as Amended `reading-2, reading-2`
- **2025-04-24T20:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-24T20:05:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-04-25T00:00:20+00:00** (H) Returned to Senate with Amendments
- **2025-04-28T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-28T19:51:00+00:00** (S) 2nd Reading House Amendments Not Concurred `amendment-failure, reading-2`
- **2025-04-28T21:57:45+00:00** (H) Conference Committee Appointed
- **2025-04-29T14:23:02+00:00** (S) Hearing - Conference Committee on SB 542
- **2025-04-29T14:45:19+00:00** (S) Conference Committee Appointed
- **2025-04-29T17:02:00+00:00** (S) Conference Committee Report Received `receipt`
- **2025-04-29T17:08:00+00:00** (H) Conference Committee Report Received `receipt`
- **2025-04-29T21:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-30T00:35:00+00:00** (S) 2nd Reading Conference Committee Report Adopted `reading-2, reading-2`
- **2025-04-30T16:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-30T20:18:00+00:00** (S) 3rd Reading Conference Committee Report Adopted `reading-3`
- **2025-05-01T17:34:28+00:00** (S) Sent to Enrolling
- **2025-05-02T12:37:47+00:00** (S) Returned from Enrolling
- **2025-05-06T18:30:00+00:00** (S) Signed by President `passage`
- **2025-05-06T19:30:00+00:00** (H) Signed by Speaker `passage`
- **2025-05-06T21:30:54+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-05-13T21:55:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-05-19T14:25:49+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/d65e185d-1e26-4018-9ec1-c9cca6425ae0`. Confidence: reported (aggregated from official Montana legislature records).