---
type: "Bill"
title: "Revise income tax laws to provide conforming changes for prior legislation"
description: "Revise income tax laws to provide conforming changes for prior legislation"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "SB 53"
citation: "Montana SB 53 (2025)"
classification: ["bill"]
subjects: ["Estates", "Revenue", "State", "Taxation", "Taxation--Corporations", "Taxation--Individual Income"]
status: "enacted"
primary_sponsors: ["Greg Hertz"]
version_count: 34
action_count: 38
vote_count: 6
first_action: "2024-09-04T17:55:30+00:00"
last_action: "2025-05-13T20:05:20+00:00"
source: "openstates"
source_identifier: "ocd-bill/b0278496-91d1-4fca-84ad-15a0b771645b"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0090?open_tab=sum"
source_hash: "1866fbe8b2277c0d5fb0d91e4ecbaf0c378f6c9af31254e30504c8042790ec69"
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 53 (2025) — Revise income tax laws to provide conforming changes for prior legislation

## Version chain

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

1. **LC0090.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267192)
2. **SB0053.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=280711)
3. **SB0053.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=280495)
4. **SB0053_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269158)
5. **SB0053_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275109)
6. **SB0053_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276180)
7. **SB0053_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282107)
8. **SB0053_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282108)
9. **SB0053_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282109)
10. **SB0053_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282110)
11. **SB0053_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269157)
12. **SB0053_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282114)
13. **SB0053_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311593)
14. **SB0053_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282115)
15. **SB0053_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282116)
16. **SB0053_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282143)
17. **SB0053_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282148)
18. **SB0053_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282160)
19. **SB0053_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288852)
20. **SB0053_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295855)
21. **SB0053_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311588)
22. **SB0053_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282111)
23. **SB0053_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311597)
24. **SB0053_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324922)
25. **SB0053_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325594)
26. **SB0053_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311598)
27. **SB0053_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312302)
28. **SB0053_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312303)
29. **SB0053_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317069)
30. **SB0053_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320635)
31. **SB0053_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322578)
32. **SB0053_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322579)
33. **SB0053_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=322580)
34. **SB0053_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311594)

## Votes

- do_pass_as_amended — **8–0** (pass) · upper
- Do Concur — **97–0** (pass) · lower
- Do Concur — **99–1** (pass) · lower
- Do Pass — **50–0** (pass) · upper
- Do Pass — **50–0** (pass) · upper
- be_concurred_in — **21–0** (pass) · lower

## Sponsors

- Greg Hertz — primary (person)

## Timeline

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

- **2024-09-04T17:55:30+00:00** (LC) Drafter Assigned
- **2024-12-06T00:06:30+00:00** (LC) Draft in Legal Review
- **2024-12-06T12:50:49+00:00** (LC) Draft in Edit
- **2024-12-09T16:29:23+00:00** (LC) Draft in Input/Proofing
- **2024-12-09T21:25:37+00:00** (LC) Draft in Final Drafter Review
- **2024-12-09T22:34:34+00:00** (LC) Draft in Assembly
- **2024-12-10T19:14:01+00:00** (LC) Draft Ready for Delivery
- **2024-12-16T18:07:01+00:00** (LC) Draft Delivered to Requester
- **2024-12-16T18:15:00+00:00** (S) Introduced
- **2024-12-18T17:40:38+00:00** (S) Fiscal Note Requested
- **2024-12-18T20:01:44+00:00** (S) Fiscal Note Unsigned
- **2025-01-06T21:45:00+00:00** (S) First Reading `reading-1`
- **2025-01-08T22:08:00+00:00** (S) Fiscal Note Printed
- **2025-01-14T19:17:00+00:00** (S) Referred to Committee - (S) Taxation `referral-committee`
- **2025-01-23T18:58:47+00:00** (S) Hearing - (S) Taxation
- **2025-02-13T18:59:21+00:00** (S) Committee Executive Action--Bill Passed as Amended - (S) Taxation `committee-passage`
- **2025-02-13T20:08:00+00:00** (S) Committee Report--Bill Passed as Amended - (S) Taxation `committee-passage`
- **2025-02-25T20:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-02-25T22:21:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-26T20:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-02-26T22:12:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2025-02-26T23:13:38+00:00** (S) Transmitted to House
- **2025-02-27T17:18:54+00:00** (H) Referred to Committee - (H) Taxation `referral-committee`
- **2025-02-27T20:04:00+00:00** (H) First Reading `reading-1`
- **2025-03-15T12:15:34+00:00** (H) Hearing - (H) Taxation
- **2025-03-20T16:50:19+00:00** (H) Committee Executive Action--Bill Concurred - (H) Taxation
- **2025-03-20T19:40:00+00:00** (H) Committee Report--Bill Concurred - (H) Taxation
- **2025-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T19:57:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-15T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T20:32:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2025-04-15T20:32:24+00:00** (S) Sent to Enrolling
- **2025-04-17T12:07:46+00:00** (S) Returned from Enrolling
- **2025-04-22T23:00:10+00:00** (S) Signed by President `passage`
- **2025-05-01T18:00:14+00:00** (H) Signed by Speaker `passage`
- **2025-05-01T18:36:33+00:00** (S) Transmitted to Governor `executive-receipt`
- **2025-05-09T02:18:00+00:00** (S) Signed by Governor `executive-signature`
- **2025-05-13T20:05:20+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/b0278496-91d1-4fca-84ad-15a0b771645b`. Confidence: reported (aggregated from official Montana legislature records).