---
type: "Bill"
title: "Businesses; nonprofit corporations; authorization to restructure municipal health facilities corporations; revise requirements. Amends sec. 305a of 1987 PA 230 (MCL 331.1305a)."
description: "Businesses; nonprofit corporations; authorization to restructure municipal health facilities corporations; revise requirements. Amends sec. 305a of 1987 PA 230 (MCL 331.1305a)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "SB 450"
citation: "Michigan SB 450 (2017-2018)"
classification: ["bill"]
subjects: ["Businesses: nonprofit corporations", "Health facilities: hospitals", "Law: sunset"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 29
vote_count: 2
first_action: "2017-06-14T04:00:00+00:00"
last_action: "2017-11-07T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/1831207e-4c7b-469a-b6c2-486fc5d84ad6"
source_url: "http://legislature.mi.gov/doc.aspx?2017-SB-0450"
source_hash: "6bc6ba31aa1580c353b110f313458381cc1854b2bb2be332c48ab4edef8cd336"
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 450 (2017-2018) — Businesses; nonprofit corporations; authorization to restructure municipal health facilities corporations; revise requirements. Amends sec. 305a of 1987 PA 230 (MCL 331.1305a).

## 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](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2017-SEBH-0450.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2017-SEBS-0450.htm)
3. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2017-PA-0148.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/Senate/htm/2017-SIB-0450.htm)

## Votes

- PASSED ROLL CALL # 317 YEAS 34 NAYS 1 EXCUSED 3 NOT VOTING 0 — **34–1** (pass) · upper
- passed; given immediate effect Roll Call # 301 Yeas 105 Nays 3 — **105–3** (pass) · lower

## Sponsors

- 16 — cosponsor (person)
- Mike Shirkey — cosponsor (person)

## Timeline

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

- **2017-06-14T04:00:00+00:00** INTRODUCED BY SENATOR MIKE SHIRKEY `introduction`
- **2017-06-14T04:00:00+00:00** REFERRED TO COMMITTEE ON MICHIGAN COMPETITIVENESS `referral-committee`
- **2017-06-28T04:00:00+00:00** REPORTED FAVORABLY WITH SUBSTITUTE S-1 `committee-passage`
- **2017-06-28T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2017-06-28T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE S-1 `referral-committee`
- **2017-06-28T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE S-1 `committee-passage`
- **2017-06-28T04:00:00+00:00** SUBSTITUTE S-1 CONCURRED IN
- **2017-06-28T04:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE S-1
- **2017-06-28T04:00:00+00:00** RULES SUSPENDED
- **2017-06-28T04:00:00+00:00** PLACED ON IMMEDIATE PASSAGE
- **2017-06-28T04:00:00+00:00** PASSED ROLL CALL # 317 YEAS 34 NAYS 1 EXCUSED 3 NOT VOTING 0 `passage`
- **2017-07-12T04:00:00+00:00** received on 06/28/2017 `introduction`
- **2017-07-12T04:00:00+00:00** read a first time `reading-1`
- **2017-07-12T04:00:00+00:00** referred to Committee on Health Policy `referral-committee`
- **2017-10-04T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2017-10-04T04:00:00+00:00** referred to second reading
- **2017-10-10T04:00:00+00:00** read a second time `reading-2`
- **2017-10-10T04:00:00+00:00** placed on third reading
- **2017-10-11T04:00:00+00:00** read a third time `reading-3`
- **2017-10-11T04:00:00+00:00** passed; given immediate effect Roll Call # 301 Yeas 105 Nays 3 `passage`
- **2017-10-11T04:00:00+00:00** inserted full title
- **2017-10-11T04:00:00+00:00** returned to Senate
- **2017-10-17T04:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2017-10-17T04:00:00+00:00** FULL TITLE AGREED TO
- **2017-10-17T04:00:00+00:00** ORDERED ENROLLED
- **2017-10-31T04:00:00+00:00** PRESENTED TO GOVERNOR 10/30/2017 @ 2:41 PM `executive-receipt`
- **2017-11-07T05:00:00+00:00** APPROVED BY GOVERNOR 11/2/2017 @ 12:40 PM `executive-signature`
- **2017-11-07T05:00:00+00:00** FILED WITH SECRETARY OF STATE 11/2/2017 @ 1:30 PM
- **2017-11-07T05:00:00+00:00** ASSIGNED PA 0148'17 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1831207e-4c7b-469a-b6c2-486fc5d84ad6`. Confidence: reported (aggregated from official Michigan legislature records).