# Montana HB 337: Revise income tax laws to lower income taxes

Montana HB 337, Revise income tax laws to lower income taxes, is a 69th Legislature, Regular Session (2025) House bill sponsored by Brandon Ler (Republican); status signed, last action 2025-04-28 (Chapter Number Assigned); PRIA reads it as touching household money (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/MT-HB337-2025
- As of: 2026-10-12
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Montana HB 337
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Revise income tax laws to lower income taxes
- Status: signed
- Chamber: House
- Introduced: 2025-01-29
- Last action: 2025-04-28, Chapter Number Assigned
- Sponsor: Brandon Ler (Republican)
- Cosponsors: 0
- Subjects: Taxation--Individual Income, Revenue, State, Taxation
- Touches household money: yes
- Roll calls: 7 (282 yes, 212 no in all)
- Economic provisions PRIA read: 3

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Bigger refundable Earned Income Tax Credit: benefit, high. Beginning with tax year 2026, the Montana Earned Income Tax Credit equals 20% of your federal EITC. The credit is refundable, so you can get money back even if you owe no state tax. If your earned income is treated as a dividend from an agricultural organization under federal law (section 501(d)),…
- Lower income and capital gains taxes: benefit, medium. For tax year 2026, Montana taxes ordinary income at 4.7% up to $95,000 (married filing jointly or surviving spouse), $71,250 (head of household), and $47,500 (single, married filing separately, and estates/trusts). Income above those amounts is taxed at 5.65%. Net long‑term capital gains are taxed…
- New inflation formula for tax brackets: mixed, low. Starting with the 2028 tax year, the Department of Revenue updates tax brackets each year using a modified inflation factor that swaps the June 2023 CPI with the June 2026 CPI. The department rounds bracket amounts to the nearest $100. New bracket amounts are set by November 1 for the following tax…

## Sponsors and cosponsors

- Sponsor: Brandon Ler (Republican), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-22 | Senate | Do Concur | pass | 34 | 16 |   |
| 2025-04-18 | Senate | Do Concur As Amended | pass | 32 | 18 |   |
| 2025-04-18 | Senate | AMD-HB0337.003.002 Dunwell D/PASS | fail | 14 | 36 |   |
| 2025-04-18 | Senate | AMD-HB0337.003.001 Hertz D/PASS | pass | 47 | 2 |   |
| 2025-04-02 | House | Do Pass | pass | 55 | 40 |   |
| 2025-04-01 | House | Do Pass | pass | 58 | 42 |   |
| 2025-04-01 | House | AMD-HB0337.002.001 Thane DO PASS | fail | 42 | 58 |   |

## Actions (41)

- 2025-04-28: Chapter Number Assigned (House)
- 2025-04-28: Signed by Governor (House)
- 2025-04-25: Transmitted to Governor (House)
- 2025-04-25: Signed by President (Senate)
- 2025-04-25: Signed by Speaker (House)
- 2025-04-25: Returned from Enrolling (House)
- 2025-04-23: Sent to Enrolling (House)
- 2025-04-22: 3rd Reading (Senate)
- 2025-04-22: Revised Fiscal Note Received (House)
- 2025-04-18: 2nd Reading (Senate)
- 2025-04-18: 2nd Reading Motion to Amend (Senate)
- 2025-04-18: 2nd Reading Motion to Amend (Senate)
- 2025-04-17: Revised Fiscal Note Requested (House)
- 2025-04-16: Committee Report (Senate)
- 2025-04-16: Committee Executive Action (Senate)
- 2025-04-04: Hearing (Senate)
- 2025-04-03: Referred to Committee (Senate)
- 2025-04-03: 1st Reading (Senate)
- 2025-04-03: Transmitted to Senate (House)
- 2025-04-02: 3rd Reading (House)
- 2025-04-01: 2nd Reading (House)
- 2025-04-01: 2nd Reading Motion to Amend (House)
- 2025-03-29: Committee Report (House)
- 2025-03-28: Committee Executive Action (House)
- 2025-03-03: Fiscal Note Printed (House)
- 2025-02-28: Fiscal Note Unsigned (House)
- 2025-02-27: Revised Fiscal Note Received (House)
- 2025-02-25: Hearing (House)
- 2025-02-24: Revised Fiscal Note Requested (House)
- 2025-02-20: Rereferred to Committee (House)
- 2025-02-19: Committee Report (House)
- 2025-02-19: Committee Executive Action (House)
- 2025-02-11: Tabled in Committee (House)
- 2025-02-06: Fiscal Note Printed (House)
- 2025-02-06: Fiscal Note Signed (House)
- 2025-02-05: Fiscal Note Received (House)
- 2025-01-31: Hearing (House)
- 2025-01-29: 1st Reading (House)
- 2025-01-29: Referred to Committee (House)
- 2025-01-29: Fiscal Note Requested (House)
- 2025-01-29: Introduced (House)

## Bill text

- Enrolled, 2025-04-23: [PDF](https://docs.legmt.gov/download-ticket?ticketId=23572b0c-306d-4957-8869-46350e045b2a)
- As Amended (Version 4), 2025-04-18: [PDF](https://docs.legmt.gov/download-ticket?ticketId=a1ff8101-c18e-4f7d-907d-d3832115b120)
- As Amended (Version 3), 2025-04-17: [PDF](https://docs.legmt.gov/download-ticket?ticketId=ff563beb-930a-48f4-800e-cf4077c74291)
- As Amended (Version 2), 2025-02-20: [PDF](https://docs.legmt.gov/download-ticket?ticketId=3aa089b8-ef27-4f36-b60f-0b98c240b404)
- Introduced, 2025-01-29: [PDF](https://docs.legmt.gov/download-ticket?ticketId=71a6dcc2-f162-4aa1-993d-60a8e10d5390)

## Related bills

- SB 437: Revise definition of sex in Montana law (signed)
- HB 831: Increase elderly homeowner and renter income tax credit (vetoed)
- HB 628: Revise early literacy targeted intervention laws (vetoed)
- SB 410: Provide for Montana genomic security act (vetoed)
- SB 422: Generally revise laws relating to insurance coverage relating to cancer (vetoed)
- SB 424: Revising the disabled veteran property tax assistance program (vetoed)

## Sources
- [Enrolled (PDF)](https://docs.legmt.gov/download-ticket?ticketId=23572b0c-306d-4957-8869-46350e045b2a)
- [As Amended (Version 4) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=a1ff8101-c18e-4f7d-907d-d3832115b120)
- [As Amended (Version 3) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=ff563beb-930a-48f4-800e-cf4077c74291)
- [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=3aa089b8-ef27-4f36-b60f-0b98c240b404)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=71a6dcc2-f162-4aa1-993d-60a8e10d5390)

## Related
- [SB 437: Revise definition of sex in Montana law](https://policyrisk.com/state-bill/MT-SB437-2025)
- [HB 831: Increase elderly homeowner and renter income tax credit](https://policyrisk.com/state-bill/MT-HB831-2025)
- [HB 628: Revise early literacy targeted intervention laws](https://policyrisk.com/state-bill/MT-HB628-2025)
- [SB 410: Provide for Montana genomic security act](https://policyrisk.com/state-bill/MT-SB410-2025)
- [SB 422: Generally revise laws relating to insurance coverage relating to cancer](https://policyrisk.com/state-bill/MT-SB422-2025)
- [SB 424: Revising the disabled veteran property tax assistance program](https://policyrisk.com/state-bill/MT-SB424-2025)
- [Montana bills](https://policyrisk.com/states/montana/bills)
- [Montana state hub](https://policyrisk.com/states/montana)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/MT-HB337-2025 (as of 2026-10-12).
