---
type: "Bill"
title: "Mental health: code; definition of a peace officer in the mental health code; modify. Amends sec. 100c of 1974 PA 258 (MCL 330.1100c)."
description: "Mental health: code; definition of a peace officer in the mental health code; modify. Amends sec. 100c of 1974 PA 258 (MCL 330.1100c)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 59"
citation: "Michigan SB 59 (2023-2024)"
classification: ["bill"]
subjects: ["Law enforcement: peace officers", "Mental health: code"]
status: "enacted"
primary_sponsors: ["John Cherry"]
version_count: 4
action_count: 26
vote_count: 2
first_action: "2023-02-08"
last_action: "2023-07-18"
source: "openstates"
source_identifier: "ocd-bill/983ae652-79f4-46e8-a2fc-6ae6ce881954"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0059"
source_hash: "ed8a4c6729d847cbfc55aeeb7c06d4a034e0a7823b1e39a3a3fb9f0dcaa419c7"
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 59 (2023-2024) — Mental health: code; definition of a peace officer in the mental health code; modify. Amends sec. 100c of 1974 PA 258 (MCL 330.1100c).

## 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-0059.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0059.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0056.pdf)
4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0059.pdf)

## Votes

- passed; given immediate effect Roll Call # 228 Yeas 104 Nays 4 Excused 0 Not Voting 2 — **104–4** (pass) · lower
- PASSED ROLL CALL # 124 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 — **38–0** (pass) · upper

## Sponsors

- John Cherry — primary (person)
- Erika Geiss — cosponsor (person)
- Sean McCann — cosponsor (person)
- Stephanie Chang — cosponsor (person)
- Veronica Klinefelt — cosponsor (person)

## Timeline

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

- **2023-02-08** INTRODUCED BY SENATOR JOHN CHERRY `introduction`
- **2023-02-08** REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY `referral-committee`
- **2023-04-11** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2023-04-11** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2023-04-11** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2023-04-12** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2023-04-12** PLACED ON ORDER OF THIRD READING
- **2023-04-19** PASSED ROLL CALL # 124 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 `passage`
- **2023-04-19** received on 04/19/2023 `introduction`
- **2023-04-19** read a first time `reading-1`
- **2023-04-19** referred to Committee on Health Policy `referral-committee`
- **2023-05-30** reported with recommendation without amendment `committee-passage`
- **2023-05-30** referred to second reading
- **2023-06-22** read a second time `reading-2`
- **2023-06-22** placed on third reading
- **2023-06-27** read a third time `reading-3`
- **2023-06-27** passed; given immediate effect Roll Call # 228 Yeas 104 Nays 4 Excused 0 Not Voting 2 `passage`
- **2023-06-27** inserted full title
- **2023-06-27** returned to Senate
- **2023-06-27** GIVEN IMMEDIATE EFFECT
- **2023-06-27** FULL TITLE AGREED TO
- **2023-06-27** ORDERED ENROLLED
- **2023-07-18** PRESENTED TO GOVERNOR 07/06/2023 02:24 PM `executive-receipt`
- **2023-07-18** APPROVED BY GOVERNOR 07/11/2023 12:32 PM `executive-signature`
- **2023-07-18** FILED WITH SECRETARY OF STATE 07/12/2023 10:04 AM
- **2023-07-18** ASSIGNED PA 0056'23 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/983ae652-79f4-46e8-a2fc-6ae6ce881954`. Confidence: reported (aggregated from official Michigan legislature records).