# Montana HB 626: Generally revise DUI laws

Montana HB 626, Generally revise DUI laws, is a 69th Legislature, Regular Session (2025) House bill sponsored by Bill Mercer (Republican); status signed, last action 2025-05-19 (Chapter Number Assigned); PRIA reads it as touching household money (as of 2026-10-19).

- Canonical: https://policyrisk.com/state-bill/MT-HB626-2025
- 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 626
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Generally revise DUI laws
- Status: signed
- Chamber: House
- Introduced: 2025-02-21
- Last action: 2025-05-19, Chapter Number Assigned
- Sponsor: Bill Mercer (Republican)
- Cosponsors: 1
- Subjects: Alcohol, Crimes
- Touches household money: yes
- Roll calls: 6 (428 yes, 66 no in all)
- Economic provisions PRIA read: 1

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Stricter repeat-offender rules for DUI: cost, high. The law tightens how Montana counts prior DUI offenses at sentencing. A pending or later DUI-related charge counts as a prior if it becomes a conviction before you are sentenced in your current case. Qualifying priors include standard and aggravated DUI in Montana, similar laws in other states, and…

## Sponsors and cosponsors

- Sponsor: Bill Mercer (Republican), House
- Cosponsor: Steve Fitzpatrick (Republican), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-17 | House | Do Concur | pass | 81 | 18 |   |
| 2025-04-16 | House | Do Concur | pass | 94 | 6 |   |
| 2025-04-08 | Senate | Do Concur | pass | 38 | 10 |   |
| 2025-04-07 | Senate | Do Concur | pass | 41 | 9 |   |
| 2025-03-06 | House | Do Pass | pass | 88 | 11 |   |
| 2025-03-04 | House | Do Pass | pass | 86 | 12 |   |

## Actions (27)

- 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)
- 2025-04-23: Returned from Enrolling (House)
- 2025-04-18: Sent to Enrolling (House)
- 2025-04-17: 3rd Reading Senate Amendments (House)
- 2025-04-16: 2nd Reading Senate Amendments (House)
- 2025-04-08: Returned to House with Amendments (Senate)
- 2025-04-08: 3rd Reading (Senate)
- 2025-04-07: 2nd Reading (Senate)
- 2025-04-04: Committee Report (Senate)
- 2025-04-04: Committee Executive Action (Senate)
- 2025-03-27: Hearing (Senate)
- 2025-03-21: Hearing (Senate)
- 2025-03-14: Referred to Committee (Senate)
- 2025-03-14: 1st Reading (Senate)
- 2025-03-06: Transmitted to Senate (House)
- 2025-03-06: 3rd Reading (House)
- 2025-03-04: 2nd Reading (House)
- 2025-02-28: Committee Report (House)
- 2025-02-28: Committee Executive Action (House)
- 2025-02-24: Hearing (House)
- 2025-02-21: 1st Reading (House)
- 2025-02-21: Referred to Committee (House)
- 2025-02-21: Introduced (House)

## Bill text

- Enrolled, 2025-04-22: [PDF](https://docs.legmt.gov/download-ticket?ticketId=010f6b77-4cc9-4333-b4fb-76f6432ea795)
- As Amended (Version 3), 2025-04-04: [PDF](https://docs.legmt.gov/download-ticket?ticketId=c9ffd4e6-f5ea-4e28-8d7b-84a29aff974e)
- As Amended (Version 2), 2025-02-28: [PDF](https://docs.legmt.gov/download-ticket?ticketId=e187eece-f51c-4e59-ad5e-0d788306c993)
- Introduced, 2025-02-21: [PDF](https://docs.legmt.gov/download-ticket?ticketId=5c81f206-c113-4eb1-ba50-ece056334fa8)

## 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=010f6b77-4cc9-4333-b4fb-76f6432ea795)
- [As Amended (Version 3) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=c9ffd4e6-f5ea-4e28-8d7b-84a29aff974e)
- [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=e187eece-f51c-4e59-ad5e-0d788306c993)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=5c81f206-c113-4eb1-ba50-ece056334fa8)

## 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-HB626-2025 (as of 2026-10-19).