---
type: "Bill"
title: "Transportation: other; Charter of City of Mackinac Island; amend; regulation of ferries; provide for. Amends sec. 1, ch. IX & sec. 1, ch. XVI of 1899 LA 437 & provides for a referendum."
description: "Transportation: other; Charter of City of Mackinac Island; amend; regulation of ferries; provide for. Amends sec. 1, ch. IX & sec. 1, ch. XVI of 1899 LA 437 & provides for a referendum."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2025-2026"
identifier: "SB 304"
citation: "Michigan SB 304 (2025-2026)"
classification: ["bill"]
subjects: ["Cities: other", "Transportation: other"]
status: "enacted"
primary_sponsors: ["John Damoose"]
version_count: 7
action_count: 32
vote_count: 2
first_action: "2025-05-14"
last_action: "2026-06-04"
source: "openstates"
source_identifier: "ocd-bill/c6cc2166-1306-4ac7-956e-392f474a139c"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2025-SB-0304"
source_hash: "d510ec31751341978a2cc12b3af35dccf3577232f75f600bbd1b926792f35f98"
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 304 (2025-2026) — Transportation: other; Charter of City of Mackinac Island; amend; regulation of ferries; provide for. Amends sec. 1, ch. IX & sec. 1, ch. XVI of 1899 LA 437 & provides for a referendum.

## 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/2025-2026/billengrossed/Senate/pdf/2025-SEBH-0304.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2025-2026/billengrossed/Senate/pdf/2025-SEBS-0304.pdf)
3. **Local Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2025-2026/localact/pdf/2026-LA-0001.pdf)
4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2025-2026/billintroduced/Senate/pdf/2025-SIB-0304.pdf)
5. **Substitute (S-1)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2025-SCVBS-0304-00C79.pdf)
6. **Substitute (S-1) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2025-SCVBS-0304-00D410.pdf)
7. **Substitute (S-1) - 3** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2025-SCVBS-0304-0D2811.pdf)

## Votes

- passed by 2/3 vote; given immediate effect Roll Call #163 Yeas 91 Nays 16 Excused 0 Not Voting 3 — **91–16** (pass) · lower
- PASSED BY 2/3 VOTE ROLL CALL # 203 YEAS 30 NAYS 6 EXCUSED 1 NOT VOTING 0 — **30–6** (pass) · upper

## Sponsors

- John Damoose — primary (person)
- Edward W. McBroom — cosponsor (person)
- Jon C. Bumstead — cosponsor (person)
- Mallory McMorrow — cosponsor (person)
- Paul Wojno — cosponsor (person)
- Rosemary Bayer — cosponsor (person)
- Sam Singh — cosponsor (person)

## Timeline

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

- **2025-05-14** INTRODUCED BY SENATOR JOHN DAMOOSE `introduction`
- **2025-05-14** REFERRED TO COMMITTEE ON REGULATORY AFFAIRS `referral-committee`
- **2025-06-11** SENATE CO-SPONSOR(S) NAMED: PAUL WOJNO
- **2025-06-26** REPORTED FAVORABLY WITH SUBSTITUTE (S-1) 6/26/2025 `committee-passage`
- **2025-06-26** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-1) `referral-committee`
- **2025-06-11** SENATE CO-SPONSOR(S) REMOVED: JOSEPH BELLINO
- **2025-06-26** RULES SUSPENDED FOR IMMEDIATE CONSIDERATION
- **2025-07-01** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2025-07-01** SUBSTITUTE (S-1) CONCURRED IN
- **2025-07-01** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1)
- **2025-07-01** RULES SUSPENDED
- **2025-07-01** PLACED ON IMMEDIATE PASSAGE
- **2025-07-01** PASSED BY 2/3 VOTE ROLL CALL # 203 YEAS 30 NAYS 6 EXCUSED 1 NOT VOTING 0 `passage`
- **2025-07-01** received on 07/01/2025 `introduction`
- **2025-07-01** read a first time `reading-1`
- **2025-07-01** referred to Committee on Government Operations `referral-committee`
- **2026-05-21** rule suspended
- **2026-05-21** motion to discharge committee approved
- **2026-05-21** placed on second reading
- **2026-05-21** read a second time `reading-2`
- **2026-05-21** placed on third reading
- **2026-05-21** placed on immediate passage
- **2026-05-21** read a third time `reading-3`
- **2026-05-21** passed by 2/3 vote; given immediate effect Roll Call #163 Yeas 91 Nays 16 Excused 0 Not Voting 3 `passage`
- **2026-05-21** returned to Senate
- **2026-06-02** PASSED BY HOUSE BY 2/3 VOTE WITHOUT AMENDMENT WITH IMMEDIATE EFFECT `passage`
- **2026-06-02** GIVEN IMMEDIATE EFFECT
- **2026-06-02** ORDERED ENROLLED
- **2026-06-04** PRESENTED TO GOVERNOR 6/3/2026 9:14 AM `executive-receipt`
- **2026-06-04** APPROVED BY GOVERNOR 6/3/2026 4:40 PM `executive-signature`
- **2026-06-04** FILED WITH SECRETARY OF STATE 6/3/2026 5:07 PM
- **2026-06-04** ASSIGNED LA 1 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c6cc2166-1306-4ac7-956e-392f474a139c`. Confidence: reported (aggregated from official Michigan legislature records).