All Roll Calls
Yes: 85 • No: 20
IdahoS 10992025 regular legislative sessionSenateWALLET
MANSLAUGHTER – Amends existing law to revise a provision regarding a penalty for vehicular manslaughter and to provide that the court shall inform a defendant of certain information regarding sentencing.
Sponsored By: JUDICIARY AND RULES COMMITTEE
Signed by Governor
MANSLAUGHTER
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Bill Overview
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Courts must warn drivers about deadly crashes
Beginning July 1, 2025, Idaho courts must give defendants a warning at sentencing under Idaho Code section 18-8006. Courts must explain that a repeat impaired-driving offense causing death can be prosecuted as vehicular manslaughter. The warning must describe mandatory prison terms: at least five years for a second offense and 10 for later offenses. Missing notice does not block those terms, and the state need not prove the defendant knew about them.
Mandatory prison terms for repeat impaired drivers
Beginning July 1, 2025, Idaho sets tiered penalties for alcohol- or drug-related vehicular manslaughter. With no qualifying prior offense, courts can impose up to $15,000 in fines, 15 years in prison, or both. With one qualifying prior, the mandatory fixed prison term is at least five years, with a 25-year maximum. With two or more, the mandatory fixed term is at least 10 years, with a 25-year maximum. Both repeat-offense tiers allow fines up to $20,000. Qualifying priors include DUI-related convictions or guilty pleas under Idaho sections 18-8004 or 18-8006, including substantially matching out-of-state or federal offenses.
Sponsors & Cosponsors
Sponsor
JUDICIARY AND RULES COMMITTEE
Affiliation unavailable
Cosponsors
Treg A. Bernt
Republican • Senate
John Shirts
Republican • House
Roll Call Votes
House vote • 3/18/2025
House Floor Vote
Yes: 60 • No: 10
Senate vote • 2/27/2025
Senate Floor Vote
Yes: 25 • No: 10
Actions Timeline
Signed by Governor on 03/25/25 Session Law Chapter 171 Effective: 07/01/2025
3/26/2025Reported delivered to Governor at 3:50 p.m. on 03/20/25
3/21/2025Reported signed by the Speaker & ordered delivered to Governor
3/20/2025Received from Senate; Signed by Speaker; Returned to Senate
3/20/2025HouseReported enrolled; signed by President; to House for signature of Speaker
3/19/2025SenateReturned From House Passed; referred to enrolling
3/19/2025SenateRead Third Time in Full – PASSED - 60-10-0
3/18/2025HouseRead second time; Filed for Third Reading
3/17/2025HouseReported out of Committee with Do Pass Recommendation, Filed for Second Reading
3/14/2025HouseRead First Time, Referred to Judiciary, Rules & Administration
2/28/2025HouseReceived from the Senate, Filed for First Reading
2/28/2025HouseRead third time in full – PASSED - 25-10-0
2/27/2025SenateRead second time; filed for Third Reading
2/25/2025SenateReported out of Committee with Do Pass Recommendation; Filed for second reading
2/24/2025SenateReported Printed; referred to Judiciary & Rules
2/11/2025SenateIntroduced; read first time; referred to JR for Printing
2/10/2025Senate
Bill Text
Bill Text
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