HB 4354 Michigan House · 2025-2026 Regular Session

Water supply: systems; authority as municipal authority; modify. Amends sec. 2 of 1965 PA 203 (MCL 28.602). TIE BAR WITH: HB 4352'25

HB 4354 amends Michigan's Law Enforcement Standards Act by updating the definition of "adjudication of guilt" to include specific scenarios like probation under certain statutes or assignment as a youthful trainee. This change directly affects law enforcement agencies, standards commissions, and officers when determining eligibility for employment or certification under state law. The bill modifies Section 2 of the act (MCL 28.602) to clarify that convictions, pleas, or related court orders - such as those involving probation or youth diversion programs - count as "adjudication of guilt." It does not create new policies but ensures consistent application of existing standards. The amendment focuses on precise legal definitions, not water supply systems as inaccurately noted in the title.

Bill status passed both 4 of 5 stages cleared

Introduction

Apr 2025

Committee Review

Jan 2026

House Passage

Dec 2025

Senate Passage

Jan 2026

Governor

Introduced Apr 22, 2025 Last action Jan 14, 2026

Maddy AI version diff · 1 comparison

What changed between versions

House Introduced Bill → As Passed by the House · 6 edits · Dec 17, 2025

MODERATE

This bill expands the definition of who counts as a 'law enforcement officer' under Michigan law by adding numerous new categories of personnel, including sheriffs, public safety officers at universities, and various investigators. It also clarifies that certain volunteers, security guards, and specific state officials are explicitly excluded from this definition. Additionally, the bill updates the definition of 'adjudication of guilt' to include new types of probation and youthful trainee statuses.

Scope change

The scope of the bill was significantly broadened to include a wider range of government employees and security personnel as licensed law enforcement officers, while simultaneously narrowing the scope by excluding specific roles like volunteer citation issuers and private security guards.

DEFINITION

Added new categories of 'law enforcement officers' to include sheriffs, undersheriffs, public safety officers at higher education institutions, and various investigators appointed by the Attorney General.

Added new categories of 'law enforcement officers' to include police officers in home rule villages, marshals in fourth-class cities, and airport law enforcement officers.

Added new categories of 'law enforcement officers' to include transit police officers, railroad police officers, and conservation officers appointed by the Department of Natural Resources.

Added new exclusions to the 'law enforcement officer' definition, clarifying that volunteers, private security guards, and certain state officials (like the Attorney General) are not considered law enforcement officers under this act.

Modified the definition of 'adjudication of guilt' to include new forms of probation under the public health code and probation under section 4a of the code of criminal procedure.

Modified the definition of 'law enforcement agency' to explicitly include public body corporations formed by interlocal agreements between cities and transportation authorities.

Floor votes · House Dec 17, 2025

How they voted

This bill passed the Senate by voice vote (no roll call recorded).

Full legislative history

Actions timeline

Total actions

Key actions

Committee

Jan 14, 2026

Committee

REFERRED TO COMMITTEE ON LOCAL GOVERNMENT

upper

Jan 14, 2026

Upper · Passed

PASSED BY HOUSE WITH IMMEDIATE EFFECT

upper

Dec 17, 2025

Lower · Passed

passed; given immediate effect Roll Call #350 Yeas 85 Nays 18 Excused 0 Not Voting 7

lower

Aug 21, 2025

Committee

referred to second reading

lower

Aug 21, 2025

Lower · Passed

reported with recommendation without amendment

lower

Jun 5, 2025

Lower · Passed

recommendation concurred in

lower

Jun 5, 2025

Lower · Passed

reported with recommendation for referral to Committee on Rules

lower

Apr 22, 2025

Committee

referred to Committee on Regulatory Reform

lower

Apr 22, 2025

Introduced

introduced by Representative Rep. Mike Mueller

lower

1 primary · 9 co-sponsors