# Montana HB 451: Revise tax increment financing districts to exclude debt service and certain school levies

Montana HB 451, Revise tax increment financing districts to exclude debt service and certain school levies, is a 69th Legislature, Regular Session (2025) House bill sponsored by Mark Thane (Democrat); status failed, last action 2025-05-22 (Died in Process); PRIA reads it as touching household money (as of 2026-10-19).

- Canonical: https://policyrisk.com/state-bill/MT-HB451-2025
- As of: 2026-10-19
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Montana HB 451
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Revise tax increment financing districts to exclude debt service and certain school levies
- Status: failed
- Chamber: House
- Introduced: 2025-02-11
- Last action: 2025-05-22, Died in Process
- Sponsor: Mark Thane (Democrat)
- Cosponsors: 1
- Subjects: Taxation, Local Finance, Taxation--Property, Revenue, Local, Revenue, State, Education - School Finance
- Touches household money: yes
- Roll calls: 6 (367 yes, 81 no in all)
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Mark Thane (Democrat), House
- Cosponsor: Greg Hertz (Republican), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-29 | House | Do Not Concur | pass | 58 | 42 |   |
| 2025-04-25 | Senate | Do Concur | pass | 28 | 21 |   |
| 2025-04-23 | Senate | Do Concur As Amended | pass | 47 | 3 |   |
| 2025-04-23 | Senate | AMD-HB0451.001.003 Hertz D/PASS | pass | 40 | 10 |   |
| 2025-03-26 | House | Do Pass | pass | 94 | 5 |   |
| 2025-03-25 | House | Do Pass | pass | 100 | 0 |   |

## Actions (26)

- 2025-05-22: Died in Process (House)
- 2025-04-29: Conference Committee Appointed (House)
- 2025-04-29: 2nd Reading Senate Amendments (House)
- 2025-04-25: Returned to House with Amendments (Senate)
- 2025-04-25: 3rd Reading (Senate)
- 2025-04-23: 2nd Reading (Senate)
- 2025-04-23: 2nd Reading Motion to Amend (Senate)
- 2025-04-18: 2nd Reading Pass Consideration (Senate)
- 2025-04-16: Committee Report (Senate)
- 2025-04-16: Committee Executive Action (Senate)
- 2025-04-02: Hearing (Senate)
- 2025-03-31: Hearing (Senate)
- 2025-03-27: Referred to Committee (Senate)
- 2025-03-26: Transmitted to Senate (House)
- 2025-03-26: 3rd Reading (House)
- 2025-03-25: 2nd Reading (House)
- 2025-02-21: Committee Report (House)
- 2025-02-21: Fiscal Note Printed (House)
- 2025-02-21: Fiscal Note Signed (House)
- 2025-02-21: Fiscal Note Received (House)
- 2025-02-21: Committee Executive Action (House)
- 2025-02-14: Hearing (House)
- 2025-02-12: 1st Reading (House)
- 2025-02-12: Referred to Committee (House)
- 2025-02-11: Fiscal Note Requested (House)
- 2025-02-11: Introduced (House)

## Bill text

- As Amended (Version 2), 2025-04-23: [PDF](https://docs.legmt.gov/download-ticket?ticketId=145be848-e8dc-444f-8ffe-0824a44f2acb)
- Introduced, 2025-02-11: [PDF](https://docs.legmt.gov/download-ticket?ticketId=f5c75f7c-db7f-4432-8ccd-7a31d7c1c840)

## 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
- [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=145be848-e8dc-444f-8ffe-0824a44f2acb)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=f5c75f7c-db7f-4432-8ccd-7a31d7c1c840)

## 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-HB451-2025 (as of 2026-10-19).