---
type: "Bill"
title: "Housing; housing development authority; refinancing option; allow. Amends sec. 44 of 1966 PA 346 (MCL 125.1444)."
description: "Housing; housing development authority; refinancing option; allow. Amends sec. 44 of 1966 PA 346 (MCL 125.1444)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "HB 4580"
citation: "Michigan HB 4580 (2017-2018)"
classification: ["bill"]
subjects: ["Housing: housing development authority"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 26
vote_count: 2
first_action: "2017-05-03T04:00:00+00:00"
last_action: "2017-10-18T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/007f59bc-9f5d-45ff-bff5-f1da425dd342"
source_url: "http://legislature.mi.gov/doc.aspx?2017-HB-4580"
source_hash: "525e0cc4cabf668a66cc3a975a82477dfee20db6285878b4878897de5b7fddeb"
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 HB 4580 (2017-2018) — Housing; housing development authority; refinancing option; allow. Amends sec. 44 of 1966 PA 346 (MCL 125.1444).

## 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/House/htm/2017-HEBH-4580.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/House/htm/2017-HEBS-4580.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billconcurred/House/htm/2017-HCB-4580.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/House/htm/2017-HIB-4580.htm)
5. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2017-PA-0127.htm)

## Votes

- passed; given immediate effect Roll Call # 159 Yeas 103 Nays 4 — **103–4** (pass) · lower
- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 355 YEAS 36 NAYS 0 EXCUSED 2 NOT VOTING 0 — **36–0** (pass) · upper

## Sponsors

- 30 — cosponsor (person)
- Diana Farrington — cosponsor (person)

## Timeline

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

- **2017-05-03T04:00:00+00:00** introduced by Representative Diana Farrington `introduction`
- **2017-05-03T04:00:00+00:00** read a first time `reading-1`
- **2017-05-03T04:00:00+00:00** referred to Committee on Financial Services `referral-committee`
- **2017-05-04T04:00:00+00:00** bill electronically reproduced 05/03/2017
- **2017-05-24T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2017-05-24T04:00:00+00:00** referred to second reading
- **2017-05-30T04:00:00+00:00** read a second time `reading-2`
- **2017-05-30T04:00:00+00:00** placed on third reading
- **2017-05-31T04:00:00+00:00** read a third time `reading-3`
- **2017-05-31T04:00:00+00:00** passed; given immediate effect Roll Call # 159 Yeas 103 Nays 4 `passage`
- **2017-05-31T04:00:00+00:00** transmitted
- **2017-06-06T04:00:00+00:00** REFERRED TO COMMITTEE ON BANKING AND FINANCIAL INSTITUTIONS `referral-committee`
- **2017-09-13T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2017-09-13T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2017-09-13T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2017-10-03T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2017-10-03T04:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2017-10-04T04:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 355 YEAS 36 NAYS 0 EXCUSED 2 NOT VOTING 0 `passage`
- **2017-10-04T04:00:00+00:00** INSERTED FULL TITLE
- **2017-10-04T04:00:00+00:00** returned from Senate without amendment with immediate effect and full title
- **2017-10-04T04:00:00+00:00** full title agreed to
- **2017-10-04T04:00:00+00:00** bill ordered enrolled
- **2017-10-10T04:00:00+00:00** presented to the Governor 10/10/2017 @ 1:09 PM `executive-receipt`
- **2017-10-18T04:00:00+00:00** approved by the Governor 10/17/2017 @ 12:17 PM `executive-signature`
- **2017-10-18T04:00:00+00:00** filed with Secretary of State 10/17/2017 @ 2:14 PM
- **2017-10-18T04:00:00+00:00** assigned PA 127'17 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/007f59bc-9f5d-45ff-bff5-f1da425dd342`. Confidence: reported (aggregated from official Michigan legislature records).