---
type: "Bill"
title: "Vehicles: registration plates; legacy license plates; create. Amends sec. 803r of 1949 PA 300 (MCL 257.803r) & adds sec. 803s."
description: "Vehicles: registration plates; legacy license plates; create. Amends sec. 803r of 1949 PA 300 (MCL 257.803r) & adds sec. 803s."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 464"
citation: "Michigan SB 464 (2023-2024)"
classification: ["bill"]
subjects: ["State agencies (existing): state", "Vehicles: registration plates"]
status: "enacted"
primary_sponsors: ["Mallory McMorrow"]
version_count: 8
action_count: 26
vote_count: 2
first_action: "2023-08-24"
last_action: "2023-12-29"
source: "openstates"
source_identifier: "ocd-bill/d8330f6e-d5e7-4522-8510-a2ca0371106a"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0464"
source_hash: "786ea321ad6afb91fe4fa7142e60fe70348a8e3d853cac725e7ad4f1634fc5d8"
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 464 (2023-2024) — Vehicles: registration plates; legacy license plates; create. Amends sec. 803r of 1949 PA 300 (MCL 257.803r) & adds sec. 803s.

## 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-0464.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0464.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0317.pdf)
4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0464.pdf)
5. **Substitute (S-2)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0464-00B74.pdf)
6. **Substitute (S-2) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0464-0B735.pdf)
7. **Substitute (S-4)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0464-00C76.pdf)
8. **Substitute (S-4) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0464-00D47.pdf)

## Votes

- PASSED ROLL CALL # 520 YEAS 30 NAYS 7 EXCUSED 1 NOT VOTING 0 — **30–7** (pass) · upper
- passed; given immediate effect Roll Call # 514 Yeas 103 Nays 6 Excused 0 Not Voting 1 — **103–6** (pass) · lower

## Sponsors

- Mallory McMorrow — primary (person)

## Timeline

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

- **2023-08-24** INTRODUCED BY SENATOR MALLORY MCMORROW `introduction`
- **2023-08-24** REFERRED TO COMMITTEE ON TRANSPORTATION AND INFRASTRUCTURE `referral-committee`
- **2023-09-21** REPORTED FAVORABLY WITH SUBSTITUTE (S-2) `committee-passage`
- **2023-09-21** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-2) `referral-committee`
- **2023-10-11** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-4) `committee-passage`
- **2023-10-11** SUBSTITUTE (S-4) CONCURRED IN
- **2023-10-11** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-4)
- **2023-10-12** PASSED ROLL CALL # 520 YEAS 30 NAYS 7 EXCUSED 1 NOT VOTING 0 `passage`
- **2023-10-12** received on 10/12/2023 `introduction`
- **2023-10-12** read a first time `reading-1`
- **2023-10-12** referred to Committee on Transportation, Mobility and Infrastructure `referral-committee`
- **2023-10-31** reported with recommendation without amendment `committee-passage`
- **2023-10-31** referred to second reading
- **2023-11-08** read a second time `reading-2`
- **2023-11-08** placed on third reading
- **2023-11-08** placed on immediate passage
- **2023-11-08** read a third time `reading-3`
- **2023-11-08** passed; given immediate effect Roll Call # 514 Yeas 103 Nays 6 Excused 0 Not Voting 1 `passage`
- **2023-11-08** inserted full title
- **2023-11-08** returned to Senate
- **2023-11-09** FULL TITLE AGREED TO
- **2023-11-09** ORDERED ENROLLED
- **2023-12-29** PRESENTED TO GOVERNOR 12/06/2023 09:36 AM `executive-receipt`
- **2023-12-29** APPROVED BY GOVERNOR 12/13/2023 05:12 PM `executive-signature`
- **2023-12-29** FILED WITH SECRETARY OF STATE 12/14/2023 10:20 AM
- **2023-12-29** ASSIGNED PA 0317'23

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d8330f6e-d5e7-4522-8510-a2ca0371106a`. Confidence: reported (aggregated from official Michigan legislature records).