Legislation: batch B — IL IN KS KY LA MA MD ME MI MN

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/mi/2023-2024/sb-591.md

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+---
+type: "Bill"
+title: "Civil procedure: writs; quo warranto; revise applicability for election lawsuits. Amends secs. 4501 & 4545 of 1961 PA 236 (MCL 600.4501 & 600.4545)."
+description: "Civil procedure: writs; quo warranto; revise applicability for election lawsuits. Amends secs. 4501 & 4545 of 1961 PA 236 (MCL 600.4501 & 600.4545)."
+jurisdiction: "us/states/mi"
+legislature: "Michigan Legislature"
+session: "2023-2024"
+identifier: "SB 591"
+citation: "Michigan SB 591 (2023-2024)"
+classification: ["bill"]
+subjects: ["Civil procedure: remedies", "Civil procedure: writs", "Elections: other", "Elections: presidential electors"]
+status: "enacted"
+primary_sponsors: ["Mary Cavanagh"]
+version_count: 4
+action_count: 27
+vote_count: 2
+first_action: "2023-10-17"
+last_action: "2023-12-29"
+source: "openstates"
+source_identifier: "ocd-bill/7596163a-0b18-4ee4-b0e3-9b9e1e6a1a8b"
+source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0591"
+source_hash: "9eb68cd9b47b3ae2293be93ccae0cc60438a25b75a6c3c038227d4424d4ce61a"
+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 591 (2023-2024) — Civil procedure: writs; quo warranto; revise applicability for election lawsuits. Amends secs. 4501 & 4545 of 1961 PA 236 (MCL 600.4501 & 600.4545).
+
+## 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-0591.pdf)
+2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0591.pdf)
+3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0256.pdf)
+4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0591.pdf)
+
+## Votes
+
+- passed; given immediate effect Roll Call # 543 Yeas 56 Nays 53 Excused 0 Not Voting 1 — **56–53** (pass) · lower
+- PASSED ROLL CALL # 647 YEAS 20 NAYS 18 EXCUSED 0 NOT VOTING 0 — **20–18** (pass) · upper
+
+## Sponsors
+
+- Mary Cavanagh — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2023-11-08** placed on third reading
+- **2023-10-17** INTRODUCED BY SENATOR MARY CAVANAGH `introduction`
+- **2023-10-17** REFERRED TO COMMITTEE ON ELECTIONS AND ETHICS `referral-committee`
+- **2023-10-31** REPORTED FAVORABLY WITH SUBSTITUTE (S-2) `committee-passage`
+- **2023-10-31** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-2) `referral-committee`
+- **2023-11-01** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-2) `committee-passage`
+- **2023-11-01** SUBSTITUTE (S-2) CONCURRED IN
+- **2023-11-01** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-2)
+- **2023-11-02** PASSED ROLL CALL # 647 YEAS 20 NAYS 18 EXCUSED 0 NOT VOTING 0 `passage`
+- **2023-11-02** received on 11/02/2023 `introduction`
+- **2023-11-02** read a first time `reading-1`
+- **2023-11-02** referred to Committee on Elections `referral-committee`
+- **2023-11-07** notice given to discharge committee
+- **2023-11-08** motion to discharge committee approved
+- **2023-11-08** placed on second reading
+- **2023-11-08** read a second time `reading-2`
+- **2023-11-08** placed on third reading
+- **2023-11-09** read a third time `reading-3`
+- **2023-11-09** passed; given immediate effect Roll Call # 543 Yeas 56 Nays 53 Excused 0 Not Voting 1 `passage`
+- **2023-11-09** inserted full title
+- **2023-11-09** returned to Senate
+- **2023-11-09** FULL TITLE AGREED TO
+- **2023-11-09** ORDERED ENROLLED
+- **2023-12-29** PRESENTED TO GOVERNOR 11/21/2023 10:54 AM `executive-receipt`
+- **2023-12-29** APPROVED BY GOVERNOR 11/30/2023 12:26 PM `executive-signature`
+- **2023-12-29** FILED WITH SECRETARY OF STATE 12/01/2023 11:12 AM
+- **2023-12-29** ASSIGNED PA 0256'23
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7596163a-0b18-4ee4-b0e3-9b9e1e6a1a8b`. Confidence: reported (aggregated from official Michigan legislature records).
+