---
type: "Bill"
title: "Economic development: brownfield redevelopment authority; eligibility criteria for transformational brownfield plans; modify. Amends secs. 2, 13c & 14a of 1996 PA 381 (MCL 125.2652 et seq.)."
description: "Economic development: brownfield redevelopment authority; eligibility criteria for transformational brownfield plans; modify. Amends secs. 2, 13c & 14a of 1996 PA 381 (MCL 125.2652 et seq.)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2021-2022"
identifier: "SB 671"
citation: "Michigan SB 671 (2021-2022)"
classification: ["bill"]
subjects: ["Economic development: brownfield redevelopment authority"]
status: "enacted"
primary_sponsors: ["Kenneth Horn"]
version_count: 4
action_count: 28
vote_count: 2
first_action: "2021-09-30T04:00:00+00:00"
last_action: "2021-12-29T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/8a099209-72df-4506-9983-a88ae69e4cd5"
source_url: "http://legislature.mi.gov/doc.aspx?2021-SB-0671"
source_hash: "a0e18ceeb256ee9387f64650cb34ae618fbde0e74d768ef0a647f4dd846efa69"
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 671 (2021-2022) — Economic development: brownfield redevelopment authority; eligibility criteria for transformational brownfield plans; modify. Amends secs. 2, 13c & 14a of 1996 PA 381 (MCL 125.2652 et seq.).

## 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://legislature.mi.gov/documents/2021-2022/billengrossed/Senate/pdf/2021-SEBH-0671.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billengrossed/Senate/htm/2021-SEBS-0671.htm)
3. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/publicact/htm/2021-PA-0138.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billintroduced/Senate/htm/2021-SIB-0671.htm)

## Votes

- passed; given immediate effect Roll Call # 595 Yeas 78 Nays 26 Excused 0 Not Voting 3 — **78–26** (pass) · lower
- PASSED ROLL CALL # 438 YEAS 28 NAYS 7 EXCUSED 1 NOT VOTING 0 — **28–7** (pass) · upper

## Sponsors

- Kenneth Horn — primary (person)
- Adam Hollier — cosponsor (person)
- Wayne Schmidt — cosponsor (person)

## Timeline

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

- **2021-09-30T04:00:00+00:00** INTRODUCED BY SENATOR KEN HORN `introduction`
- **2021-09-30T04:00:00+00:00** REFERRED TO COMMITTEE ON ECONOMIC AND SMALL BUSINESS DEVELOPMENT `referral-committee`
- **2021-11-03T04:00:00+00:00** REPORTED FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2021-11-03T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2021-11-03T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-1) `referral-committee`
- **2021-11-09T05:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2021-11-09T05:00:00+00:00** SUBSTITUTE (S-1) CONCURRED IN
- **2021-11-09T05:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1)
- **2021-11-10T05:00:00+00:00** PASSED ROLL CALL # 438 YEAS 28 NAYS 7 EXCUSED 1 NOT VOTING 0 `passage`
- **2021-11-10T05:00:00+00:00** received on 11/10/2021 `introduction`
- **2021-11-10T05:00:00+00:00** read a first time `reading-1`
- **2021-11-10T05:00:00+00:00** referred to Committee on Government Operations `referral-committee`
- **2021-12-08T05:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2021-12-08T05:00:00+00:00** referred to second reading
- **2021-12-08T05:00:00+00:00** read a second time `reading-2`
- **2021-12-08T05:00:00+00:00** placed on third reading
- **2021-12-08T05:00:00+00:00** placed on immediate passage
- **2021-12-08T05:00:00+00:00** read a third time `reading-3`
- **2021-12-08T05:00:00+00:00** passed; given immediate effect Roll Call # 595 Yeas 78 Nays 26 Excused 0 Not Voting 3 `passage`
- **2021-12-08T05:00:00+00:00** inserted full title
- **2021-12-08T05:00:00+00:00** returned to Senate
- **2021-12-09T05:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2021-12-09T05:00:00+00:00** FULL TITLE AGREED TO
- **2021-12-09T05:00:00+00:00** ORDERED ENROLLED
- **2021-12-14T05:00:00+00:00** PRESENTED TO GOVERNOR 12/14/2021 09:38 AM `executive-receipt`
- **2021-12-29T05:00:00+00:00** APPROVED BY GOVERNOR 12/23/2021 09:58 AM `executive-signature`
- **2021-12-29T05:00:00+00:00** FILED WITH SECRETARY OF STATE 12/27/2021 12:10 PM
- **2021-12-29T05:00:00+00:00** ASSIGNED PA 0138'21 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8a099209-72df-4506-9983-a88ae69e4cd5`. Confidence: reported (aggregated from official Michigan legislature records).