2025 House Bill 4390

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 43b and 319b (MCL 257.43b and 257.319b), section 43b as added by 2016 PA 243 and section 319b as amended by 2023 PA 39, and by adding section 36d.

Official record

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. Brian BeGole (R-71) and 32 co-sponsors

Co-sponsored by Reps. Julie Rogers (D-41), 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), Kathy Schmaltz (R-46), Jay DeBoyer (R-63), Luke Meerman (R-89), Pat Outman (R-91), Jerry Neyer (R-92), 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), Donni Steele (R-54), Parker Fairbairn (R-107), William Bruck (R-30), Helena Scott (D-8), Tyrone Carter (D-1), Joseph Aragona (R-60), Carrie Rheingans (D-47), Reggie Miller (D-31), Rylee Linting (R-27), Curtis VanderWall (R-102), Jaime Greene (R-65) and Tom Kunse (R-100)

Referred to the Committee on Government Operations

May 22, 2025

Reported without amendment

July 1, 2025

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