New Montana laws taking effect May 5, 2025
37 laws take effect May 5, 2025.
Of the 778 bills enacted since 2025, 774 have an effective date and 4 don't yet (listed below). A law here takes effect that day by its main provisions; parts of a staggered act may take effect on other dates.
Updated Oct 31, 2026 at 11:39 a.m. EDT.
Education (6)
HB 317 · 2025 Regular SessionPublished
Revise laws regarding Idaho college of osteopathic medicine program
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.HB 338 · 2025 Regular SessionPublished
Revise laws regarding targeted early numeracy intervention
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.HB 349 · 2025 Regular SessionPublished
Revise TRS laws related to reemployment
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.HB 497 · 2025 Regular SessionPublished
Revise apprenticeship program laws relating to the state electrical board
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 177 · 2025 Regular SessionPublished
Allow community choice school commission to seek public funding
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 271 · 2025 Regular SessionPublished
Remove prohibition on certain compensation for collegiate student-athlete's name/image/likeness
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Government (6)
HB 194 · 2025 Regular SessionPublished
Generally revise laws related to juries
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.Parts of this act take effect on other dates.
HB 365 · 2025 Regular SessionPublished
Revise laws relating to attorney fees and costs based on legislative conduct
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.HB 679 · 2025 Regular SessionPublished
Generally revised use of public equipment
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 194 · 2025 Regular SessionDerived
Eliminate the board of public assistance
How we got this date
Except as provided in subsection (2), [this act] is effective on passage and approval.
Signed by the Governor May 5, 2025 → takes effect on that day May 5, 2025
Parts of this act take effect on other dates.
SB 342 · 2025 Regular SessionPublished
Provide that chief justice appoints the court administrator
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 38 · 2025 Regular SessionPublished
Generally revise laws relating to attorney fees and prevailing parties for veto overrides
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Elections (4)
HB 125 · 2025 Regular SessionPublished
Revise laws related to the conduct of school district elections
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 276 · 2025 Regular SessionPublished
Generally revise voter identification laws
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 360 · 2025 Regular SessionPublished
Revise election laws related to definitions
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 498 · 2025 Regular SessionPublished
Revise election laws related to preparation procedures for primary elections
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Housing (4)
HB 147 · 2025 Regular SessionPublished
Revise laws related to covenants to provide definition of enforcement action
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 214 · 2025 Regular SessionPublished
Revise zoning laws to clarify decisions regarding prior nonconforming use of property
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 223 · 2025 Regular SessionPublished
Allow interest earned on workforce housing appropriations to be retained
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 442 · 2025 Regular SessionPublished
Revise real property manager licensing laws
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Crime (3)
HB 572 · 2025 Regular SessionPublished
Revise MCE prison industries training program laws
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.Parts of this act take effect on other dates.
SB 444 · 2025 Regular SessionPublished
Generally revise criminal procedure laws
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 493 · 2025 Regular SessionPublished
Establish the offense of trespass by unmanned aerial vehicle
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Healthcare (3)
HB 384 · 2025 Regular SessionPublished
Change dates to apply for speech language assistant licensure
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 154 · 2025 Regular SessionPublished
Revise prohibition on sale or purchase of human body parts under the revised Uniform Anatomical Gift Act.
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 375 · 2025 Regular SessionPublished
Prohibit sale of edible products that contain hemp
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Public Lands (3)
HB 299 · 2025 Regular SessionPublished
Define public purpose of easements on state lands
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 168 · 2025 Regular SessionPublished
Revise laws related to lakeshore protection
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.SB 235 · 2025 Regular SessionPublished
Revising landowner preference qualifications for elk to require finalized land ownership of 640 acres or more of contiguous land
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Taxes (2)
HB 162 · 2025 Regular SessionPublished
Revise definition of infrastructure for resort tax
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.HB 87 · 2025 Regular SessionPublished
Revising taxation of lands owned by department of fish, wildlife, and parks
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Climate (1)
HB 26 · 2025 Regular SessionPublished
Repeal mercury thermostat collection act
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Finance (1)
SB 511 · 2025 Regular SessionPublished
Generally revising laws related to litigation financing
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.
Foreign Policy (1)
HB 350 · 2025 Regular SessionPublished
Prohibit enforcement of policies issued by certain intergovernmental entities
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.
Mining and Drilling (1)
HB 587 · 2025 Regular SessionPublished
Revise mine reclamation laws
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Technology (1)
SB 330 · 2025 Regular SessionPublished
Create a Montana blockchain and digital innovation task force
How we got this date
Published by the legislature:
All Sections: 2025-05-05
.
Traffic (1)
SB 392 · 2025 Regular SessionPublished
Establish Laverne Parrish memorial highway
How we got this date
Published by the legislature:
All Sections: 2025-05-05
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Enacted, but not yet dated (4)
These laws' texts tie their dates to something outside the legislative record (Contingent), or not enough is recorded yet to give one (Unresolved). They may take effect May 5, 2025 too; the record doesn't say.
Show all 4
- HB 447ContingentEnact the Respiratory Care Interstate CompactEffective on the date the compact is legislatively enacted into law by the seventh member state
- HB 56ContingentEstablish ambulance provider assessment fee programApproval by the United States department of health and human services of all waivers and approvals necessary to implement the assessment fee and supplemental payments
- SB 233ContingentAdopting the interstate massage compactCompact legislatively enacted into law by the seventh member state
- SB 279ContingentAdopt the dietitian licensure compactThe compact has been legislatively enacted into law by the seventh member state.