# Montana HB 845: Increase IRC 529 education savings income tax deduction

Montana HB 845, Increase IRC 529 education savings income tax deduction, is a 69th Legislature, Regular Session (2025) House bill sponsored by Julie Darling (Republican); status signed, last action 2025-05-19 (Chapter Number Assigned); PRIA reads it as touching household money (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/MT-HB845-2025
- 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 845
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Increase IRC 529 education savings income tax deduction
- Status: signed
- Chamber: House
- Introduced: 2025-03-19
- Last action: 2025-05-19, Chapter Number Assigned
- Sponsor: Julie Darling (Republican)
- Cosponsors: 1
- Subjects: Taxation--Individual Income, Revenue, State, Taxation, Colleges, Education - K-12, Education - Post-Secondary
- Touches household money: yes
- Roll calls: 4 (282 yes, 11 no in all)
- Economic provisions PRIA read: 1

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Bigger Montana tax break for college savings: mixed, high. The law increases Montana’s 529 college-savings deduction. You can subtract up to $4,500 each year ($9,000 if married filing jointly). You can claim it only for contributions to accounts owned by you, your spouse, or your Montana-resident child or stepchild. This applies to tax years that begin aft…

## Sponsors and cosponsors

- Sponsor: Julie Darling (Republican), House
- Cosponsor: Dave Fern (Democrat), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-22 | Senate | Do Concur | pass | 48 | 2 |   |
| 2025-04-18 | Senate | Do Concur | pass | 44 | 4 |   |
| 2025-04-02 | House | Do Pass | pass | 93 | 2 |   |
| 2025-04-01 | House | Do Pass | pass | 97 | 3 |   |

## Actions (31)

- 2025-05-19: Chapter Number Assigned (House)
- 2025-05-13: Signed by Governor (House)
- 2025-05-07: Transmitted to Governor (House)
- 2025-05-06: Signed by President (Senate)
- 2025-05-02: Signed by Speaker (House)
- 2025-04-27: Returned from Enrolling (House)
- 2025-04-22: Sent to Enrolling (House)
- 2025-04-22: 3rd Reading (Senate)
- 2025-04-18: 2nd Reading (Senate)
- 2025-04-09: Committee Report (Senate)
- 2025-04-09: Committee Executive Action (Senate)
- 2025-04-04: Hearing (Senate)
- 2025-04-03: Revised Fiscal Note Printed (House)
- 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)
- 2025-04-02: Revised Fiscal Note Signed (House)
- 2025-04-02: Revised Fiscal Note Received (House)
- 2025-04-01: 2nd Reading (House)
- 2025-03-31: Revised Fiscal Note Requested (House)
- 2025-03-28: Committee Report (House)
- 2025-03-28: Committee Executive Action (House)
- 2025-03-26: Fiscal Note Printed (House)
- 2025-03-26: Hearing (House)
- 2025-03-25: Fiscal Note Signed (House)
- 2025-03-25: Fiscal Note Received (House)
- 2025-03-20: 1st Reading (House)
- 2025-03-20: Referred to Committee (House)
- 2025-03-19: Fiscal Note Requested (House)
- 2025-03-19: Introduced (House)

## Bill text

- Enrolled, 2025-04-23: [PDF](https://docs.legmt.gov/download-ticket?ticketId=4077274f-2062-4608-9265-96494925c21a)
- As Amended (Version 2), 2025-03-28: [PDF](https://docs.legmt.gov/download-ticket?ticketId=e6812929-db4e-4ea0-a6ff-4f7faf35634b)
- Introduced, 2025-03-19: [PDF](https://docs.legmt.gov/download-ticket?ticketId=90cec409-34e7-4b38-a2a2-b368779f1ff9)

## 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=4077274f-2062-4608-9265-96494925c21a)
- [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=e6812929-db4e-4ea0-a6ff-4f7faf35634b)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=90cec409-34e7-4b38-a2a2-b368779f1ff9)

## 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-HB845-2025 (as of 2026-10-12).