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IntroducedJan 27, 2026
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Passed SenateFeb 18, 2026
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Passed HouseMar 18, 2026
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Became LawApr 09, 2026
Kansas Senate Bill
Requiring a proponent to demonstrate that it is more likely than not that certain specialized knowledge will help the trier of fact to understand evidence before certain qualified witnesses may testify.
Last Action See all actions
Senate • Apr 09, 2026: Approved by Governor on Tuesday, April 7, 2026
Latest Bill Text See all bill texts
Summary
Comments on SB 398
Tweets
Whip Lists
Sponsors
- Senate Committee on Judiciarysponsor
Votes
YES: 40
- Sen. Alley
- Sen. Argabright
- Sen. Billinger
- Sen. Blasi
- Sen. Blew
- Sen. Bowers
- Sen. Bowser
- Sen. Claeys
- Sen. Clifford
- Sen. Corson
- Sen. Dietrich
- Sen. Erickson
- Sen. Fagg
- Sen. Faust Goudeau
- Sen. Francisco
- Sen. Gossage
- Sen. Haley
- Sen. Hill
- Sen. Holscher
- Sen. Klemp
- Sen. Kloos
- Sen. Masterson
- Sen. Miller
- Sen. Murphy
- Sen. Owens
- Sen. Peck
- Sen. Petersen
- Sen. Pettey
- Sen. Rose
- Sen. Ryckman
- Sen. Schmidt
- Sen. Shallenburger
- Sen. Shane
- Sen. Starnes
- Sen. Sykes
- Sen. Thomas
- Sen. Thompson
- Sen. Titus
- Sen. Tyson
- Sen. Warren
NO: 0
OTHER: 0
YES: 124
- Rep. Alcala
- Rep. Amyx
- Rep. Anderson
- Rep. Awerkamp
- Rep. Ballard
- Rep. Barrett
- Rep. Bergkamp
- Rep. Bergquist
- Rep. Blex
- Rep. Bloom
- Rep. Boatman
- Rep. Bohi
- Rep. Borjon
- Rep. Brantley
- Rep. Brownlee Paige
- Rep. Brunk
- Rep. Bryce
- Rep. Buehler
- Rep. Butler
- Rep. Caiharr
- Rep. Carlin
- Rep. Carmichael
- Rep. Carpenter
- Rep. Carr
- Rep. Chauncey
- Rep. Collins
- Rep. Corbet
- Rep. Croft
- Rep. Curtis
- Rep. Delperdang
- Rep. Droge
- Rep. Ellis
- Rep. Esau
- Rep. Essex
- Rep. Estes
- Rep. Fairchild
- Rep. Featherston
- Rep. Francis
- Rep. Gardner
- Rep. Goddard
- Rep. Goetz
- Rep. Haskins
- Rep. Hawkins
- Rep. Helgerson
- Rep. Helwig
- Rep. Hoffman
- Rep. Hoheisel
- Rep. Howe
- Rep. Howell
- Rep. Howerton
- Rep. Hoye
- Rep. Huebert
- Rep. Humphries
- Rep. James
- Rep. Johnson
- Rep. Kessler
- Rep. King
- Rep. Lewis
- Rep. Long
- Rep. Martinez
- Rep. McDonald
- Rep. McNorton
- Rep. Melton
- Rep. Meyer
- Rep. Minnix
- Rep. Moser
- Rep. Mosley
- Rep. Neelly
- Rep. Neighbor
- Rep. Ohaebosim
- Rep. Oropeza
- Rep. Osman
- Rep. Ousley
- Rep. Pickert
- Rep. Pishny
- Rep. Poetter Parshall
- Rep. Poskin
- Rep. Proctor
- Rep. Rahjes
- Rep. Reavis
- Rep. Rhiley
- Rep. Roeser
- Rep. Roth
- Rep. Ruiz
- Rep. Sanders
- Rep. Sappington
- Rep. Sawyer
- Rep. Sawyer Clayton
- Rep. Schlingensiepen
- Rep. Schmoe
- Rep. Schreiber
- Rep. Schwertfeger
- Rep. Seiwert
- Rep. Simmons
- Rep. Smith
- Rep. Steele
- Rep. Stiens
- Rep. Stogsdill
- Rep. Storm
- Rep. Sutton
- Rep. Sweely
- Rep. Tarwater
- Rep. Turk
- Rep. Turner
- Rep. VanHouden
- Rep. Vaughn
- Rep. Waggoner
- Rep. Ward
- Rep. Wasinger
- Rep. Waymaster
- Rep. Weigel
- Rep. White
- Rep. Wikle
- Rep. Wilborn
- Rep. Willcott
- Rep. Williams
- Rep. Wilson
- Rep. Winn
- Rep. Wolf
- Rep. Woodard
- Rep. Xu
NO: 0
ABSENT: 1
- Rep. Smith
YES: 39
- Sen. Alley
- Sen. Argabright
- Sen. Billinger
- Sen. Blasi
- Sen. Blew
- Sen. Bowers
- Sen. Bowser
- Sen. Claeys
- Sen. Clifford
- Sen. Corson
- Sen. Dietrich
- Sen. Erickson
- Sen. Fagg
- Sen. Faust Goudeau
- Sen. Francisco
- Sen. Gossage
- Sen. Haley
- Sen. Hill
- Sen. Holscher
- Sen. Klemp
- Sen. Kloos
- Sen. Masterson
- Sen. Miller
- Sen. Murphy
- Sen. Owens
- Sen. Peck
- Sen. Petersen
- Sen. Pettey
- Sen. Rose
- Sen. Ryckman
- Sen. Schmidt
- Sen. Shane
- Sen. Starnes
- Sen. Sykes
- Sen. Thomas
- Sen. Thompson
- Sen. Titus
- Sen. Tyson
- Sen. Warren
NO: 0
ABSENT: 1
Actions
- Apr 09, 2026 | Senate
- Enrolled and presented to Governor on Monday, March 30, 2026
- Approved by Governor on Tuesday, April 7, 2026
- Mar 26, 2026 | Senate
- Concurred with amendments in conference; Yea 39, Nay 0, Absent 1
- Mar 23, 2026 | House
- Motion to accede adopted; Rep. Susan Humphries, Rep. Laura Williams and Rep. Dan Osman appointed as conferees
- Mar 23, 2026 | Senate
- Nonconcurred with amendments; Conference Committee requested; appointed Sen. Kellie Warren, Sen. Kenny Titus and Sen. Ethan Corson
- Mar 18, 2026 | House
- Committee of the Whole - Committee Report be adopted
- Committee of the Whole - Be passed as amended
- Motion to advance to Emergency Final Action adopted; —
- Emergency Final Action - Passed as amended; Yea 124, Nay 0, Absent 1
- Mar 12, 2026 | House
- Committee Report recommending bill be passed as amended by House Committee on Judiciary
- Mar 03, 2026 | House
- Hearing: Tuesday, March 3, 2026, 3:30 PM — Room 582-N event
- Feb 19, 2026 | House
- Received and Introduced
- Referred to House Committee on Judiciary
- Feb 18, 2026 | Senate
- Committee of the Whole - Be passed
- Emergency Final Action - Passed; Yea 40, Nay 0
- Feb 10, 2026 | Senate
- Committee Report recommending bill be passed by Senate Committee on Judiciary
- Feb 05, 2026 | Senate
- Hearing: Thursday, February 5, 2026, 10:30 AM — Room 346-S event
- Jan 28, 2026 | Senate
- Referred to Senate Committee on Judiciary
- Jan 27, 2026 | Senate
- Introduced
Documents
- As Introduced - Supplementary NotePDF
- As Introduced - Supplementary NoteHTML
- As Introduced - Fiscal NotePDF
- As Introduced - Fiscal NoteHTML
- As Amended by House Committee - Supplementary NotePDF
- As Amended by House Committee - Supplementary NoteHTML
- Senate Committee Report recommending bill be passed by Senate Committee on Judiciary (Tue, Feb 10, 2026)PDF
- Senate Committee Report recommending bill be passed by Senate Committee on Judiciary (Tue, Feb 10, 2026)HTML
- House Committee Report recommending bill be passed as amended by House Committee on Judiciary (Thu, Mar 12, 2026)PDF
- House Committee Report recommending bill be passed as amended by House Committee on Judiciary (Thu, Mar 12, 2026)HTML
- House · Committee on Judiciary, Mar 3, 2026: Minutes
- House · Committee on Judiciary, Mar 3, 2026: Testimony by Jason Thompson, Revisors Office
- House · Committee on Judiciary, Mar 3, 2026: Testimony by Pam Bracher, American Trucking Assoc and Kansas Motor Carriers Assoc
- House · Committee on Judiciary, Mar 3, 2026: Testimony by Peter Conley, BIDS Legislative Committee
- House · Committee on Judiciary, Mar 3, 2026: Testimony by Tyler Heffron, KS Assoc of Defense Counsel
- House · Committee on Judiciary, Mar 3, 2026: Testimony by Scot Kibbe, American Property Casualty Insurnace Assoc
- House · Committee on Judiciary, Mar 3, 2026: Testimony by Eric Stafford, Kansas Chamber of Commerce
- Senate · Committee on Judiciary, Feb 5, 2026: Minutes
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Eric Stafford, Vice President, Kansas Chamber
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Pamela Bracher on behalf, Ks Motor Carriers Assoc; American Trucking Assoc
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Dan Murray, Kansas State Director, NFIB
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Tyler Heffron,, Kansas Association of Defense Counsel
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Peter Conley,, BIDS Leg.
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Marlee Carpenter, KAPCIC
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by K Abraham, KC Chamber
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Travis Oller, DC, Ks Chiropractic Assoc
- Senate · Committee on Judiciary, Feb 5, 2026: Testimony by Natalie Scott Revisors Office, State of Kansas
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