---
type: "Bill"
title: "Vehicles: equipment; child restraint safety seats; require positioning of car seats to depend on weight of child, and make other revisions. Amends secs. 710d & 710e of 1949 PA 300 (MCL 257.710d & 257.710e). TIE BAR WITH: HB 4512'23"
description: "Vehicles: equipment; child restraint safety seats; require positioning of car seats to depend on weight of child, and make other revisions. Amends secs. 710d & 710e of 1949 PA 300 (MCL 257.710d & 257.710e). TIE BAR WITH: HB 4512'23"
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "HB 4511"
citation: "Michigan HB 4511 (2023-2024)"
classification: ["bill"]
subjects: ["Children: other", "Safety: other", "State agencies (existing): state", "Vehicles: equipment"]
status: "enacted"
primary_sponsors: ["Carrie Rheingans"]
version_count: 5
action_count: 25
vote_count: 2
first_action: "2023-05-04"
last_action: "2024-04-09"
source: "openstates"
source_identifier: "ocd-bill/6642e95f-623e-4245-909d-a70c01e78f8c"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-HB-4511"
source_hash: "26873f79f9cbc121104de690b8b722657043a312984b6de3616ce504f589d14b"
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 4511 (2023-2024) — Vehicles: equipment; child restraint safety seats; require positioning of car seats to depend on weight of child, and make other revisions. Amends secs. 710d & 710e of 1949 PA 300 (MCL 257.710d & 257.710e). TIE BAR WITH: HB 4512'23

## 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-4511.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBS-4511.pdf)
3. **House Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/House/pdf/2023-HCB-4511.pdf)
4. **House Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/House/pdf/2023-HIB-4511.pdf)
5. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2024-PA-0021.pdf)

## Votes

- passed; given immediate effect Roll Call # 316 Yeas 68 Nays 42 Excused 0 Not Voting 0 — **68–42** (pass) · lower
- PASSED ROLL CALL # 55 YEAS 21 NAYS 17 EXCUSED 0 NOT VOTING 0 — **21–17** (pass) · upper

## Sponsors

- Carrie Rheingans — primary (person)
- Carol Glanville — cosponsor (person)
- Emily Dievendorf — cosponsor (person)
- Erin Byrnes — cosponsor (person)
- Jimmie Wilson Jr. — cosponsor (person)
- John Fitzgerald — cosponsor (person)
- Kelly Breen — cosponsor (person)
- Mike McFall — cosponsor (person)
- Natalie Price — cosponsor (person)
- Noah Arbit — cosponsor (person)
- Penelope Tsernoglou — cosponsor (person)
- Rachel Hood — cosponsor (person)
- Regina Weiss — cosponsor (person)
- Samantha Steckloff — cosponsor (person)

## Timeline

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

- **2023-05-04** introduced by Representative Carrie Rheingans `introduction`
- **2023-05-04** read a first time `reading-1`
- **2023-05-04** referred to Committee on Transportation, Mobility and Infrastructure `referral-committee`
- **2023-05-09** bill electronically reproduced 05/04/2023
- **2023-09-19** reported with recommendation without amendment `committee-passage`
- **2023-09-19** referred to second reading
- **2023-09-26** read a second time `reading-2`
- **2023-09-26** placed on third reading
- **2023-09-27** read a third time `reading-3`
- **2023-09-27** passed; given immediate effect Roll Call # 316 Yeas 68 Nays 42 Excused 0 Not Voting 0 `passage`
- **2023-09-27** transmitted
- **2023-10-03** REFERRED TO COMMITTEE ON TRANSPORTATION AND INFRASTRUCTURE `referral-committee`
- **2024-02-14** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2024-02-14** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2024-02-20** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2024-02-20** PLACED ON ORDER OF THIRD READING
- **2024-03-13** PASSED ROLL CALL # 55 YEAS 21 NAYS 17 EXCUSED 0 NOT VOTING 0 `passage`
- **2024-03-13** INSERTED FULL TITLE
- **2024-03-13** returned from Senate without amendment with full title
- **2024-03-13** full title agreed to
- **2024-03-13** bill ordered enrolled
- **2024-03-19** presented to the Governor 03/19/2024 11:34 AM `executive-receipt`
- **2024-04-09** approved by the Governor 03/28/2024 09:48 AM `executive-signature`
- **2024-04-09** filed with Secretary of State 03/28/2024 10:54 AM
- **2024-04-09** assigned PA 21'24

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6642e95f-623e-4245-909d-a70c01e78f8c`. Confidence: reported (aggregated from official Michigan legislature records).