HB4390

Crimes: intoxication or impairment; methods of testing intoxication or impairment in the Michigan vehicle code; expand to include other bodily fluid. Amends secs. 43b & 319b of 1949 PA 300 (MCL 257.43b & 257.319b) & adds sec. 36d. TIE BAR WITH: HB 4391'25

Chamber Passed·7/1/25

Expands Michigan vehicle code to include other bodily fluids in testing for intoxication or impairment.

This bill amends the Michigan vehicle code to expand the methods of testing for intoxication or impairment to include other bodily fluids. It defines "other bodily fluid" as fluid from the human body capable of revealing the presence of controlled substances or their metabolites, including oral fluid. The bill also includes provisions for preliminary oral fluid analysis and updates definitions related to vehicle group designations and hazardous materials.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the House · 61–44 · Jul 1, 2025
Current
Civil Rights, Judiciary, And Public Safety Committee
Next
Senate floor vote

Sponsors

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8
25
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Democratic CaucusRepublican Caucus

Roll Call Votes

61 Yea

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44 Nay

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Calendar

May 22, 2025

9:00 AM

House Government Operations

History

Jul 17, 2025

Senate

Passed By House With Immediate Effect

Jul 17, 2025

Senate

Referred To Committee On Civil Rights, Judiciary, And Public Safety

Jul 1, 2025

House

Read A Third Time