Michigan · 2025-2026 Regular Session · Bill
HB 4166: Crimes: drugs; illicit use of xylazine; prohibit, and provide penalties. Amends secs. 7103, 7105, 7106, 7401, 7403, 7403a, 7451, 7453 & 7455 of 1978 PA 368 (MCL 333.7103 et seq.).
In committee Official data
- Introduced
- In committee
- Passed one chamber
- Passed both chambers
- Enacted
Last official action: ·Record last updated:
Plain-language summary
HB 4166 is a bill introduced in the Michigan House on March 5, 2025. According to its official title, it concerns: Crimes: drugs; illicit use of xylazine; prohibit, and provide penalties. Amends secs. 7103, 7105, 7106, 7401, 7403, 7403a, 7451, 7453 & 7455 of 1978 PA 368 (MCL 333.7103 et seq.). Primary sponsor: Kelly Breen (Democratic). It lists 56 additional sponsors. Most recent recorded action (March 6, 2025): bill electronically reproduced 03/05/2025.
Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written
Sponsors
Sponsors by party (alphabetical): Democratic 35 · Republican 22
| Name | Role | Party | Chamber | District |
|---|---|---|---|---|
| Kelly Breen | Primary sponsor | Democratic | House | 21 |
| Joey Andrews | Co-sponsor | Democratic | House | 38 |
| Brian BeGole | Co-sponsor | Republican | House | 71 |
| Matt Bierlein | Co-sponsor | Republican | House | 97 |
| Ken Borton | Co-sponsor | Republican | House | 105 |
| Will Bruck | Co-sponsor | Republican | House | 30 |
| Erin Byrnes | Co-sponsor | Democratic | House | 15 |
| Tyrone Carter | Co-sponsor | Democratic | House | 1 |
| Brenda Carter | Co-sponsor | Democratic | House | 53 |
| Jennifer Conlin | Co-sponsor | Democratic | House | 48 |
| Emily Dievendorf | Co-sponsor | Democratic | House | 77 |
| Kimberly Edwards | Co-sponsor | Democratic | House | 12 |
| Alabas Farhat | Co-sponsor | Democratic | House | 3 |
| John Fitzgerald | Co-sponsor | Democratic | House | 83 |
| Steve Frisbie | Co-sponsor | Republican | House | 44 |
| Alicia St. Germaine | Co-sponsor | Republican | House | 62 |
| Carol Glanville | Co-sponsor | Democratic | House | 84 |
| Mike Harris | Co-sponsor | Republican | House | 52 |
| Peter Herzberg | Co-sponsor | Democratic | House | 25 |
| Mike Hoadley | Co-sponsor | Republican | House | 99 |
| Kara Hope | Co-sponsor | Democratic | House | 74 |
| Jason Hoskins | Co-sponsor | Democratic | House | 18 |
| Gina Johnsen | Co-sponsor | Republican | House | 78 |
| Matt Koleszar | Co-sponsor | Democratic | House | 22 |
| Tom Kunse | Co-sponsor | Republican | House | 100 |
| Tullio Liberati | Co-sponsor | Democratic | House | 2 |
| Rylee Linting | Co-sponsor | Republican | House | 27 |
| Matt Longjohn | Co-sponsor | Democratic | House | 40 |
| Sharon MacDonell | Co-sponsor | Democratic | House | 56 |
| David Martin | Co-sponsor | Republican | House | 68 |
| Jaz Martus | Co-sponsor | Democratic | House | 69 |
| Mike McFall | Co-sponsor | Democratic | House | 14 |
| Luke Meerman | Co-sponsor | Republican | House | 89 |
| Jason Morgan | Co-sponsor | Democratic | House | 23 |
| Mike Mueller | Co-sponsor | Republican | House | 72 |
| Cynthia Neeley | Co-sponsor | Democratic | House | 70 |
| Amos O'Neal | Co-sponsor | Democratic | House | 94 |
| Veronica Paiz | Co-sponsor | Democratic | House | 10 |
| Angela Rigas | Co-sponsor | Republican | House | 79 |
| Ron Robinson | Co-sponsor | Republican | House | 58 |
| Julie Rogers | Co-sponsor | Democratic | House | 41 |
| J.R. Roth | Co-sponsor | Republican | House | 104 |
| Kathy Schmaltz | Co-sponsor | Republican | House | 46 |
| Helena Scott | Co-sponsor | Democratic | House | 8 |
| Phil Skaggs | Co-sponsor | Democratic | House | 80 |
| Samantha Steckloff | Co-sponsor | Democratic | House | 19 |
| Jamie Thompson | Co-sponsor | Republican | House | 28 |
| Mark Tisdel | Co-sponsor | Republican | House | 55 |
| Penelope Tsernoglou | Co-sponsor | Democratic | House | 75 |
| Curt VanderWall | Co-sponsor | Republican | House | 102 |
| Regina Weiss | Co-sponsor | Democratic | House | 5 |
| Jimmie Wilson | Co-sponsor | Democratic | House | 32 |
| Angela Witwer | Co-sponsor | Democratic | House | 76 |
| Stephen Wooden | Co-sponsor | Democratic | House | 81 |
| Doug Wozniak | Co-sponsor | Republican | House | 59 |
| Mai Xiong | Co-sponsor | Democratic | House | 13 |
| Stephanie Young | Co-sponsor | Democratic | House | 16 |
“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.
Recent official actions
- bill electronically reproduced 03/05/2025
- referred to Committee on Judiciary
- read a first time
- introduced by Representative Rep. Kelly Breen