---
type: "Bill"
title: "Labor: collective bargaining; requirement for agency fee for nonunion members; allow in bargaining agreements and as condition of employment in public sector. Amends secs. 9, 10 & 15 of 1947 PA 336 (MCL 423.209 et seq.)."
description: "Labor: collective bargaining; requirement for agency fee for nonunion members; allow in bargaining agreements and as condition of employment in public sector. Amends secs. 9, 10 & 15 of 1947 PA 336 (MCL 423.209 et seq.)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "HB 4004"
citation: "Michigan HB 4004 (2023-2024)"
classification: ["bill"]
subjects: ["Labor: collective bargaining", "Labor: organizations", "Labor: public service employment", "Public employees and officers: other"]
status: "enacted"
primary_sponsors: ["Regina Weiss"]
version_count: 6
action_count: 42
vote_count: 4
first_action: "2023-01-12"
last_action: "2023-03-23"
source: "openstates"
source_identifier: "ocd-bill/277f1d35-26d4-4aa3-8ca9-0a73856f9fb2"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-HB-4004"
source_hash: "c8449a712e4dc72f9860f3574ffad82ffe865f55b4f99045c9abd9cfd4113d62"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mi"]
---

# Michigan HB 4004 (2023-2024) — Labor: collective bargaining; requirement for agency fee for nonunion members; allow in bargaining agreements and as condition of employment in public sector. Amends secs. 9, 10 & 15 of 1947 PA 336 (MCL 423.209 et seq.).

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **As Passed by the House** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBH-4004.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBS-4004.pdf)
3. **House Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/House/pdf/2023-HCB-4004.pdf)
4. **House Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/House/pdf/2023-HIB-4004.pdf)
5. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0009.pdf)
6. **Substitute (H-6)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-HCVBS-4004-0O338.pdf)

## Votes

- Senate amendment(s) concurred in Roll Call # 38 Yeas 56 Nays 52 Excused 0 Not Voting 2 — **56–52** (pass) · lower
- passed; given immediate effect Roll Call # 20 Yeas 56 Nays 53 Excused 0 Not Voting 1 — **56–53** (pass) · lower
- PASSED ROLL CALL # 101 YEAS 20 NAYS 16 EXCUSED 2 NOT VOTING 0 — **20–16** (pass) · upper
- PASSED ROLL CALL # 69 YEAS 20 NAYS 17 EXCUSED 1 NOT VOTING 0 — **20–17** (pass) · upper

## Sponsors

- Regina Weiss — primary (person)
- Abraham Aiyash — cosponsor (person)
- Alabas Farhat — cosponsor (person)
- Amos O'Neal — cosponsor (person)
- Betsy Coffia — cosponsor (person)
- Carol Glanville — cosponsor (person)
- Carrie Rheingans — cosponsor (person)
- Christine Morse — cosponsor (person)
- Cynthia Neeley — cosponsor (person)
- Denise Mentzer — cosponsor (person)
- Donavan McKinney — cosponsor (person)
- Dylan Wegela — cosponsor (person)
- Emily Dievendorf — cosponsor (person)
- Erin Byrnes — cosponsor (person)
- Felicia Brabec — cosponsor (person)
- Helena Scott — cosponsor (person)
- Jaime Churches — cosponsor (person)
- Jason Hoskins — cosponsor (person)
- Jason Morgan — cosponsor (person)
- Jasper Martus — cosponsor (person)
- Jenn Hill — cosponsor (person)
- Jennifer Conlin — cosponsor (person)
- Jim Haadsma — cosponsor (person)
- Jimmie Wilson Jr. — cosponsor (person)
- Joey Andrews — cosponsor (person)
- John Fitzgerald — cosponsor (person)
- Joseph Tate — cosponsor (person)
- Julie Rogers — cosponsor (person)
- Kara Hope — cosponsor (person)
- Karen Whitsett — cosponsor (person)
- Kelly Breen — cosponsor (person)
- Kimberly Edwards — cosponsor (person)
- Kristian Grant — cosponsor (person)
- Laurie Pohutsky — cosponsor (person)
- Lori Stone — cosponsor (person)
- Matt Koleszar — cosponsor (person)
- Mike McFall — cosponsor (person)
- Natalie Price — cosponsor (person)
- Nate Shannon — cosponsor (person)
- Penelope Tsernoglou — cosponsor (person)
- Phil Skaggs — cosponsor (person)
- Rachel Hood — cosponsor (person)
- Ranjeev Puri — cosponsor (person)
- Reggie Miller — cosponsor (person)
- Samantha Steckloff — cosponsor (person)
- Sharon MacDonell — cosponsor (person)
- Stephanie A. Young — cosponsor (person)
- Tullio Liberati — cosponsor (person)
- Tyrone Carter — cosponsor (person)
- Veronica Paiz — cosponsor (person)
- Will Snyder — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-01-12** introduced by Representative Regina Weiss `introduction`
- **2023-01-12** read a first time `reading-1`
- **2023-01-12** referred to Committee on Labor `referral-committee`
- **2023-01-17** bill electronically reproduced 01/12/2023
- **2023-03-08** reported with recommendation without amendment `committee-passage`
- **2023-03-08** referred to second reading
- **2023-03-08** read a second time `reading-2`
- **2023-03-08** substitute (H-6) adopted
- **2023-03-08** placed on third reading
- **2023-03-08** placed on immediate passage
- **2023-03-08** read a third time `reading-3`
- **2023-03-08** passed; given immediate effect Roll Call # 20 Yeas 56 Nays 53 Excused 0 Not Voting 1 `passage`
- **2023-03-08** transmitted
- **2023-03-09** REFERRED TO COMMITTEE ON LABOR `referral-committee`
- **2023-03-14** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2023-03-14** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2023-03-14** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2023-03-14** PLACED ON ORDER OF THIRD READING
- **2023-03-14** RULES SUSPENDED
- **2023-03-14** PLACED ON IMMEDIATE PASSAGE
- **2023-03-14** AMENDMENT(S) DEFEATED `amendment-failure`
- **2023-03-14** PASSED ROLL CALL # 69 YEAS 20 NAYS 17 EXCUSED 1 NOT VOTING 0 `passage`
- **2023-03-15** returned from Senate without amendment
- **2023-03-15** bill ordered enrolled
- **2023-03-21** SENATE REQUESTS RETURN
- **2023-03-21** enrollment vacated
- **2023-03-21** request granted
- **2023-03-21** Senate requests return
- **2023-03-21** retransmitted
- **2023-03-21** PLACED ON ORDER OF THIRD READING
- **2023-03-21** VOTE RECONSIDERED
- **2023-03-21** AMENDMENT(S) ADOPTED `amendment-passage`
- **2023-03-21** PASSED ROLL CALL # 101 YEAS 20 NAYS 16 EXCUSED 2 NOT VOTING 0 `passage`
- **2023-03-21** returned from Senate with amendment(s)
- **2023-03-21** laid over one day under the rules
- **2023-03-21** rule suspended
- **2023-03-21** Senate amendment(s) concurred in Roll Call # 38 Yeas 56 Nays 52 Excused 0 Not Voting 2
- **2023-03-21** bill ordered enrolled
- **2023-03-23** presented to the Governor 03/23/2023 12:03 PM `executive-receipt`
- **2023-03-23** approved by the Governor 03/24/2023 09:34 AM `executive-signature`
- **2023-03-23** filed with Secretary of State 03/24/2023 01:04 PM
- **2023-03-23** assigned PA 9'23

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/277f1d35-26d4-4aa3-8ca9-0a73856f9fb2`. Confidence: reported (aggregated from official Michigan legislature records).