2025 House Bill 4391

Crimes: intoxication or impairment; methods of testing intoxication or impairment in the Michigan vehicle code; expand to include other bodily fluid.

A bill to amend 1949 PA 300, entitled “Michigan vehicle code,” by amending sections 625a, 625c, and 625g (MCL 257.625a, 257.625c, and 257.625g), sections 625a and 625g as amended by 2021 PA 85 and section 625c as amended by 2014 PA 315.

AI Analysis – Experimental

House Bills 4390 and 4391 amend the Michigan Vehicle Code to redefine procedures for detecting controlled substances in drivers, adjust suspension and revocation periods for commercial driving violations, and introduce new regulations for hazardous material endorsements.

Introduced in the House

April 24, 2025

Introduced by Rep. Julie Rogers (D-41) and 29 co-sponsors

Co-sponsored by Reps. Brian BeGole (R-71), David Prestin (R-108), Angela Rigas (R-79), Ken Borton (R-105), Jason Woolford (R-50), Mike Harris (R-52), Mike Mueller (R-72), Alicia St. Germaine (R-62), Jay DeBoyer (R-63), Kathy Schmaltz (R-46), Luke Meerman (R-89), Pat Outman (R-91), Denise Mentzer (D-61), Matt Longjohn (D-40), Jennifer Wortz (R-35), Greg Markkanen (R-110), Doug Wozniak (R-59), Mike McFall (D-14), Ron Robinson (R-58), Parker Fairbairn (R-107), William Bruck (R-30), Helena Scott (D-8), Jaime Greene (R-65), Tyrone Carter (D-1), Rylee Linting (R-27), Reggie Miller (D-31), Curtis VanderWall (R-102), Joseph Aragona (R-60) and Tom Kunse (R-100)

Referred to the Committee on Government Operations

May 22, 2025

Reported with substitute H-2

Referred to the Committee on Rules

June 26, 2025

Reported with substitute H-2

Substitute H-2 concurred in by voice vote

July 1, 2025

Amendment offered by Rep. Julie Rogers (D-41)

1. Amend page 8, following line 13, by inserting:

“(g) A private entity that performs chemical testing on a sample of an individual’s oral fluid shall

protect the individual’s personally identifying information from unnecessary and improper dissemination including, but not limited to, all of the following:

(i) Destruction of oral fluid samples as soon as practicable after collection of chemical test results and analysis.

(ii) Prohibiting DNA samples from being entered into a database.

(iii) Except as required for necessary licensure functions and internal data storage, prohibiting

chemical test results and analysis from being entered into a database.” and relettering the remaining

subdivision.

The amendment passed by voice vote

Passed in the House 61 to 44 (details)

Motion to give immediate effect by Rep. Brian BeGole (R-71)

The motion prevailed by voice vote

Received in the Senate

July 17, 2025

Referred to the Committee on Civil Rights, Judiciary, and Public Safety