HB 4220 Michigan House · 2025-2026 Regular Session

Health occupations: veterinarians; veterinarian-client-patient relationship; require. Amends 1978 PA 368 (MCL 333.1101 - 333.25211) by adding sec. 18818. TIE BAR WITH: HB 4221'25

HB 4220 amends Michigan's veterinary practice law (MCL 333.1101 - 333.25211) by adding a new section (18818) that establishes requirements for the veterinarian-client-patient relationship. The bill directly affects veterinarians and pet owners by defining the legal obligations within this relationship. Key provisions require veterinarians to maintain clear communication and documentation when providing care, ensuring patient welfare and professional accountability. The bill passed the House overwhelmingly (84-17) and was transmitted to the Regulatory Affairs Committee for further review.

Bill status passed both 4 of 5 stages cleared

Introduction

Mar 2025

Committee Review

Dec 2025

House Passage

Nov 2025

Senate Passage

Dec 2025

Governor

Introduced Mar 12, 2025 Last action Dec 2, 2025

Maddy AI version diff · 2 comparisons

What changed between versions

As Passed by the House → Substitute (H-3) · 1 edit

MINOR

The bill text shows minor formatting and header changes rather than substantive policy modifications. The core legislative content regarding veterinary practice requirements remains unchanged.

TECHNICAL

Header formatting and document tracking information were updated, including changes to bill reference codes and page numbering metadata.

Floor votes · House Nov 13, 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

Dec 2, 2025

Committee

REFERRED TO COMMITTEE ON REGULATORY AFFAIRS

upper

Dec 2, 2025

Upper · Passed

PASSED BY HOUSE WITH IMMEDIATE EFFECT

upper

Nov 13, 2025

Lower · Passed

passed; given immediate effect Roll Call #305 Yeas 84 Nays 17 Excused 0 Not Voting 9

lower

Nov 12, 2025

Lower · Passed

substitute (H-3) adopted

lower

Oct 16, 2025

Committee

referred to second reading

lower

Oct 16, 2025

Lower · Passed

reported with recommendation with substitute (H-3)

lower

Mar 12, 2025

Committee

referred to Committee on Regulatory Reform

lower

Mar 12, 2025

Introduced

introduced by Representative Rep. Joseph Aragona

lower

1 primary · 19 co-sponsors