---
type: "Bill"
title: "Civil rights: other; public breastfeeding antidiscrimination act; expand to protect public expression of human milk. Amends title & sec. 2 of 2014 PA 197 (MCL 37.232)."
description: "Civil rights: other; public breastfeeding antidiscrimination act; expand to protect public expression of human milk. Amends title & sec. 2 of 2014 PA 197 (MCL 37.232)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 351"
citation: "Michigan SB 351 (2023-2024)"
classification: ["bill"]
subjects: ["Civil rights: other", "Women: other"]
status: "enacted"
primary_sponsors: ["Jeff Irwin"]
version_count: 4
action_count: 27
vote_count: 2
first_action: "2023-05-23"
last_action: "2024-10-09"
source: "openstates"
source_identifier: "ocd-bill/32c8de87-dc31-465f-9d16-35e23ba59065"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0351"
source_hash: "c141d386a927ead5b6cf0774a2a669f96c8fbe1233589c3a1f371b68a8e50c52"
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 SB 351 (2023-2024) — Civil rights: other; public breastfeeding antidiscrimination act; expand to protect public expression of human milk. Amends title & sec. 2 of 2014 PA 197 (MCL 37.232).

## 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/Senate/pdf/2023-SEBH-0351.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0351.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2024-PA-0130.pdf)
4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0351.pdf)

## Votes

- PASSED ROLL CALL # 546 YEAS 26 NAYS 12 EXCUSED 0 NOT VOTING 0 — **26–12** (pass) · upper
- passed; given immediate effect Roll Call # 322 Yeas 83 Nays 26 Excused 0 Not Voting 1 — **83–25** (pass) · lower

## Sponsors

- Jeff Irwin — primary (person)
- Erika Geiss — cosponsor (person)
- Mallory McMorrow — cosponsor (person)
- Mary Cavanagh — cosponsor (person)
- Rosemary Bayer — cosponsor (person)
- Sarah Anthony — cosponsor (person)
- Stephanie Chang — cosponsor (person)
- Sue Shink — cosponsor (person)
- Sylvia A. Santana — cosponsor (person)

## Timeline

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

- **2023-05-23** INTRODUCED BY SENATOR JEFF IRWIN `introduction`
- **2023-05-23** REFERRED TO COMMITTEE ON HEALTH POLICY `referral-committee`
- **2023-10-12** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2023-10-12** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2023-10-17** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2023-10-17** PLACED ON ORDER OF THIRD READING
- **2023-10-18** AMENDMENT(S) DEFEATED `amendment-failure`
- **2023-10-18** PASSED ROLL CALL # 546 YEAS 26 NAYS 12 EXCUSED 0 NOT VOTING 0 `passage`
- **2023-10-18** received on 10/18/2023 `introduction`
- **2023-10-18** read a first time `reading-1`
- **2023-10-18** referred to Committee on Judiciary `referral-committee`
- **2024-05-22** reported with recommendation without amendment `committee-passage`
- **2024-05-22** referred to second reading
- **2024-09-25** read a second time `reading-2`
- **2024-09-25** placed on third reading
- **2024-09-25** placed on immediate passage
- **2024-09-25** read a third time `reading-3`
- **2024-09-25** passed; given immediate effect Roll Call # 322 Yeas 83 Nays 26 Excused 0 Not Voting 1 `passage`
- **2024-09-25** inserted full title
- **2024-09-25** returned to Senate
- **2024-09-26** GIVEN IMMEDIATE EFFECT
- **2024-09-26** FULL TITLE AGREED TO
- **2024-09-26** ORDERED ENROLLED
- **2024-10-08** PRESENTED TO GOVERNOR 10/07/2024 11:02 AM `executive-receipt`
- **2024-10-09** APPROVED BY GOVERNOR 10/08/2024 10:36 AM `executive-signature`
- **2024-10-09** FILED WITH SECRETARY OF STATE 10/08/2024 01:04 PM
- **2024-10-09** ASSIGNED PA 0130'24 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/32c8de87-dc31-465f-9d16-35e23ba59065`. Confidence: reported (aggregated from official Michigan legislature records).