# Montana HB 166: Revise Montana historical society laws

Montana HB 166, Revise Montana historical society laws, is a 69th Legislature, Regular Session (2025) House bill sponsored by Julie Darling (Republican); status signed, last action 2025-05-05 (Chapter Number Assigned) (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/MT-HB166-2025
- 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 166
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Revise Montana historical society laws
- Status: signed
- Chamber: House
- Introduced: 2025-01-10
- Last action: 2025-05-05, Chapter Number Assigned
- Sponsor: Julie Darling (Republican)
- Cosponsors: 1
- Subjects: State Government, Appropriations, Arts, State Finance
- Touches household money: no
- Roll calls: 4 (280 yes, 18 no in all)
- Economic provisions PRIA read: 1

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Historical Society accounts keep running: benefit, low. The law removes the end date for two Historical Society special revenue accounts. They are the Montana Historical Society Membership Special Revenue Account and the Montana Original Governor's Mansion Special Revenue Account. These accounts continue instead of shutting down. The change takes effect…

## Sponsors and cosponsors

- Sponsor: Julie Darling (Republican), House
- Cosponsor: Janet Ellis (Democrat), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-04 | Senate | Do Concur | pass | 46 | 3 |   |
| 2025-04-03 | Senate | Do Concur | pass | 42 | 8 |   |
| 2025-01-31 | House | Do Pass | pass | 95 | 4 |   |
| 2025-01-30 | House | Do Pass | pass | 97 | 3 |   |

## Actions (29)

- 2025-05-05: Chapter Number Assigned (House)
- 2025-05-01: Signed by Governor (House)
- 2025-04-22: Transmitted to Governor (House)
- 2025-04-21: Signed by President (Senate)
- 2025-04-18: Signed by Speaker (House)
- 2025-04-05: Returned from Enrolling (House)
- 2025-04-04: Sent to Enrolling (House)
- 2025-04-04: 3rd Reading (Senate)
- 2025-04-03: 2nd Reading (Senate)
- 2025-04-01: 2nd Reading Pass Consideration (Senate)
- 2025-03-20: Committee Report (Senate)
- 2025-03-19: Committee Executive Action (Senate)
- 2025-02-21: Hearing (Senate)
- 2025-02-18: Referred to Committee (Senate)
- 2025-02-03: 1st Reading (Senate)
- 2025-01-31: Transmitted to Senate (House)
- 2025-01-31: 3rd Reading (House)
- 2025-01-30: 2nd Reading (House)
- 2025-01-28: Committee Report (House)
- 2025-01-28: Committee Executive Action (House)
- 2025-01-28: Committee Executive Action (House)
- 2025-01-21: Fiscal Note Printed (House)
- 2025-01-21: Fiscal Note Signed (House)
- 2025-01-20: Fiscal Note Received (House)
- 2025-01-15: Hearing (House)
- 2025-01-10: 1st Reading (House)
- 2025-01-10: Referred to Committee (House)
- 2025-01-10: Fiscal Note Requested (House)
- 2025-01-10: Introduced (House)

## Bill text

- Enrolled, 2025-04-15: [PDF](https://docs.legmt.gov/download-ticket?ticketId=318d635d-68e3-40fa-915e-1ec714660050)
- Introduced, 2025-01-10: [PDF](https://docs.legmt.gov/download-ticket?ticketId=a2d28384-6892-468e-acf4-be374fe30342)

## 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 424: Revising the disabled veteran property tax assistance program (vetoed)
- SB 422: Generally revise laws relating to insurance coverage relating to cancer (vetoed)

## Sources
- [Enrolled (PDF)](https://docs.legmt.gov/download-ticket?ticketId=318d635d-68e3-40fa-915e-1ec714660050)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=a2d28384-6892-468e-acf4-be374fe30342)

## 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 424: Revising the disabled veteran property tax assistance program](https://policyrisk.com/state-bill/MT-SB424-2025)
- [SB 422: Generally revise laws relating to insurance coverage relating to cancer](https://policyrisk.com/state-bill/MT-SB422-2025)
- [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-HB166-2025 (as of 2026-10-12).