# Montana SB 544: Revise income tax laws for net operating loss carryovers

Montana SB 544, Revise income tax laws for net operating loss carryovers, is a 69th Legislature, Regular Session (2025) Senate bill sponsored by Greg Hertz (Republican); status signed, last action 2025-05-13 (Chapter Number Assigned); PRIA reads it as touching household money (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/MT-SB544-2025
- As of: 2026-10-12
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Montana SB 544
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Revise income tax laws for net operating loss carryovers
- Status: signed
- Chamber: Senate
- Introduced: 2025-03-25
- Last action: 2025-05-13, Chapter Number Assigned
- Sponsor: Greg Hertz (Republican)
- Cosponsors: 1
- Subjects: Taxation, Taxation--Individual Income, Revenue, State
- Touches household money: yes
- Roll calls: 4 (290 yes, 2 no in all)
- Economic provisions PRIA read: 1

## Summary

No summary available.

## Bill overview: provisions PRIA read

- One-time net operating loss fix for Montana filers: mixed, medium. The law lets Montana filers elect a one-time transition adjustment for net operating loss carryovers from before 2024. The amount equals the total of all pre‑2024 Montana taxable income differences from federal rules. If your Montana NOL on Dec. 31, 2023 was smaller than your federal NOL, the adjus…

## Sponsors and cosponsors

- Sponsor: Greg Hertz (Republican), Senate
- Cosponsor: Larry Brewster (Republican), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-22 | House | Do Concur | pass | 97 | 1 |   |
| 2025-04-18 | House | Do Concur | pass | 97 | 1 |   |
| 2025-04-05 | Senate | Do Pass | pass | 48 | 0 |   |
| 2025-04-04 | Senate | Do Pass | pass | 48 | 0 |   |

## Actions (28)

- 2025-05-13: Chapter Number Assigned (Senate)
- 2025-05-08: Signed by Governor (Senate)
- 2025-04-30: Transmitted to Governor (Senate)
- 2025-04-29: Signed by Speaker (House)
- 2025-04-27: Signed by President (Senate)
- 2025-04-24: Returned from Enrolling (Senate)
- 2025-04-22: Sent to Enrolling (Senate)
- 2025-04-22: 3rd Reading (House)
- 2025-04-18: 2nd Reading (House)
- 2025-04-16: Committee Report (House)
- 2025-04-16: Committee Executive Action (House)
- 2025-04-09: Hearing (House)
- 2025-04-07: 1st Reading (House)
- 2025-04-07: Referred to Committee (House)
- 2025-04-05: Transmitted to House (Senate)
- 2025-04-05: 3rd Reading (Senate)
- 2025-04-04: 2nd Reading (Senate)
- 2025-04-03: 2nd Reading Pass Consideration (Senate)
- 2025-04-02: Committee Report (Senate)
- 2025-04-02: Committee Executive Action (Senate)
- 2025-04-01: Fiscal Note Printed (Senate)
- 2025-04-01: Fiscal Note Unsigned (Senate)
- 2025-04-01: Fiscal Note Received (Senate)
- 2025-03-27: Hearing (Senate)
- 2025-03-26: Referred to Committee (Senate)
- 2025-03-26: 1st Reading (Senate)
- 2025-03-26: Fiscal Note Requested (Senate)
- 2025-03-25: Introduced (Senate)

## Bill text

- Enrolled, 2025-04-23: [PDF](https://docs.legmt.gov/download-ticket?ticketId=c43ba491-f1ea-4490-81d7-791becb4c4a4)
- Introduced, 2025-03-25: [PDF](https://docs.legmt.gov/download-ticket?ticketId=7571be64-1984-4abc-8a5f-f97190d3bd05)

## 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=c43ba491-f1ea-4490-81d7-791becb4c4a4)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=7571be64-1984-4abc-8a5f-f97190d3bd05)

## 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-SB544-2025 (as of 2026-10-12).