---
type: "Bill"
title: "Courts: family division; use of risk and needs assessment for juveniles in the juvenile justice system before disposition; require. Amends sec. 18, ch. XIIA of 1939 PA 288 (MCL 712A.18). TIE BAR WITH: SB 0418'23"
description: "Courts: family division; use of risk and needs assessment for juveniles in the juvenile justice system before disposition; require. Amends sec. 18, ch. XIIA of 1939 PA 288 (MCL 712A.18). TIE BAR WITH: SB 0418'23"
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 421"
citation: "Michigan SB 421 (2023-2024)"
classification: ["bill"]
subjects: ["Courts: family division", "Juveniles: criminal procedure", "Juveniles: juvenile justice services"]
status: "enacted"
primary_sponsors: ["Veronica Klinefelt"]
version_count: 8
action_count: 26
vote_count: 2
first_action: "2023-06-28"
last_action: "2023-12-29"
source: "openstates"
source_identifier: "ocd-bill/81c78d4b-f641-4ea7-9868-882ccdf733f0"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0421"
source_hash: "340ccb23da2182d94ecc2de3f613d01b6b2b768da78ed8fda7142318d04966dc"
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 421 (2023-2024) — Courts: family division; use of risk and needs assessment for juveniles in the juvenile justice system before disposition; require. Amends sec. 18, ch. XIIA of 1939 PA 288 (MCL 712A.18). TIE BAR WITH: SB 0418'23

## 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/Senate/pdf/2023-SEBH-0421.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0421.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0298.pdf)
4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0421.pdf)
5. **Substitute (S-1)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0421-00B74.pdf)
6. **Substitute (S-1) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0421-0B735.pdf)
7. **Substitute (S-1) - 3** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0421-00C76.pdf)
8. **Substitute (S-1) - 4** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0421-00D47.pdf)

## Votes

- passed; given immediate effect Roll Call # 523 Yeas 60 Nays 49 Excused 0 Not Voting 1 — **60–49** (pass) · lower
- PASSED ROLL CALL # 522 YEAS 31 NAYS 6 EXCUSED 1 NOT VOTING 0 — **31–6** (pass) · upper

## Sponsors

- Veronica Klinefelt — primary (person)
- Erika Geiss — cosponsor (person)
- Jeff Irwin — cosponsor (person)
- Paul Wojno — cosponsor (person)
- Rosemary Bayer — 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.

- **2023-06-28** INTRODUCED BY SENATOR VERONICA KLINEFELT `introduction`
- **2023-06-28** REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY `referral-committee`
- **2023-10-03** REPORTED FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2023-10-03** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-1) `referral-committee`
- **2023-10-11** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2023-10-11** SUBSTITUTE (S-1) CONCURRED IN
- **2023-10-11** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1)
- **2023-10-12** PASSED ROLL CALL # 522 YEAS 31 NAYS 6 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 Criminal Justice `referral-committee`
- **2023-10-24** reported with recommendation without amendment `committee-passage`
- **2023-10-24** 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 # 523 Yeas 60 Nays 49 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 09:20 AM `executive-receipt`
- **2023-12-29** APPROVED BY GOVERNOR 12/12/2023 10:44 AM `executive-signature`
- **2023-12-29** FILED WITH SECRETARY OF STATE 12/13/2023 10:22 AM
- **2023-12-29** ASSIGNED PA 0298'23

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/81c78d4b-f641-4ea7-9868-882ccdf733f0`. Confidence: reported (aggregated from official Michigan legislature records).