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/hb-4623.md

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+---
+type: "Bill"
+title: "Insurance: health insurers; minimum required coverage; provide for. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406bb."
+description: "Insurance: health insurers; minimum required coverage; provide for. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406bb."
+jurisdiction: "us/states/mi"
+legislature: "Michigan Legislature"
+session: "2023-2024"
+identifier: "HB 4623"
+citation: "Michigan HB 4623 (2023-2024)"
+classification: ["bill"]
+subjects: ["Insurance: health insurers", "State agencies (existing): insurance and financial services"]
+status: "enacted"
+primary_sponsors: ["Matt Koleszar"]
+version_count: 8
+action_count: 29
+vote_count: 2
+first_action: "2023-05-23"
+last_action: "2023-10-24"
+source: "openstates"
+source_identifier: "ocd-bill/73a034c7-69cb-4528-bcbe-2d2ee7294b79"
+source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-HB-4623"
+source_hash: "29bc07a1dbbe8fbb7854160e708d9e8fc066c7d745d8ff8488731c377f58232b"
+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 4623 (2023-2024) — Insurance: health insurers; minimum required coverage; provide for. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406bb.
+
+## 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/House/pdf/2023-HEBH-4623.pdf)
+2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBS-4623.pdf)
+3. **House Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/House/pdf/2023-HCB-4623.pdf)
+4. **House Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/House/pdf/2023-HIB-4623.pdf)
+5. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0160.pdf)
+6. **Substitute (H-1)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-HCVBS-4623-0N295.pdf)
+7. **Substitute (H-1) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-HCVBS-4623-0O338.pdf)
+8. **Substitute (H-2)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-HCVBS-4623-0O339.pdf)
+
+## Votes
+
+- passed; given immediate effect Roll Call # 257 Yeas 59 Nays 49 Excused 0 Not Voting 2 — **59–49** (pass) · lower
+- PASSED ROLL CALL # 511 YEAS 20 NAYS 18 EXCUSED 0 NOT VOTING 0 — **20–18** (pass) · upper
+
+## Sponsors
+
+- Matt Koleszar — primary (person)
+- Abraham Aiyash — cosponsor (person)
+- Alabas Farhat — cosponsor (person)
+- Brenda Carter — cosponsor (person)
+- Carrie Rheingans — cosponsor (person)
+- Christine Morse — cosponsor (person)
+- Donavan McKinney — cosponsor (person)
+- Erin Byrnes — cosponsor (person)
+- Jason Morgan — cosponsor (person)
+- Jasper Martus — cosponsor (person)
+- Jenn Hill — cosponsor (person)
+- Jim Haadsma — cosponsor (person)
+- Jimmie Wilson Jr. — cosponsor (person)
+- Julie Brixie — cosponsor (person)
+- Julie Rogers — cosponsor (person)
+- Kara Hope — cosponsor (person)
+- Kelly Breen — cosponsor (person)
+- Mike McFall — cosponsor (person)
+- Phil Green — cosponsor (person)
+- Phil Skaggs — cosponsor (person)
+- Rachel Hood — cosponsor (person)
+- Ranjeev Puri — cosponsor (person)
+- Reggie Miller — cosponsor (person)
+- Samantha Steckloff — cosponsor (person)
+- Tyrone Carter — cosponsor (person)
+- Veronica Paiz — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2023-05-23** introduced by Representative Matt Koleszar `introduction`
+- **2023-05-23** read a first time `reading-1`
+- **2023-05-23** referred to Committee on Insurance and Financial Services `referral-committee`
+- **2023-05-24** bill electronically reproduced 05/23/2023
+- **2023-06-21** reported with recommendation with substitute (H-1) `committee-passage`
+- **2023-06-21** referred to second reading
+- **2023-06-28** read a second time `reading-2`
+- **2023-06-28** substitute (H-1) adopted
+- **2023-06-28** substitute (H-2) adopted
+- **2023-06-28** placed on third reading
+- **2023-06-28** placed on immediate passage
+- **2023-06-28** read a third time `reading-3`
+- **2023-06-28** passed; given immediate effect Roll Call # 257 Yeas 59 Nays 49 Excused 0 Not Voting 2 `passage`
+- **2023-06-28** title amended
+- **2023-06-28** transmitted
+- **2023-06-28** REFERRED TO COMMITTEE ON HEALTH POLICY `referral-committee`
+- **2023-09-28** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
+- **2023-09-28** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
+- **2023-10-05** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
+- **2023-10-05** PLACED ON ORDER OF THIRD READING
+- **2023-10-10** PASSED ROLL CALL # 511 YEAS 20 NAYS 18 EXCUSED 0 NOT VOTING 0 `passage`
+- **2023-10-10** INSERTED FULL TITLE
+- **2023-10-10** returned from Senate without amendment with full title
+- **2023-10-10** full title agreed to
+- **2023-10-10** bill ordered enrolled
+- **2023-10-17** presented to the Governor 10/17/2023 09:29 AM `executive-receipt`
+- **2023-10-24** approved by the Governor 10/19/2023 10:08 AM `executive-signature`
+- **2023-10-24** filed with Secretary of State 10/19/2023 11:48 AM
+- **2023-10-24** assigned PA 160'23
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/73a034c7-69cb-4528-bcbe-2d2ee7294b79`. Confidence: reported (aggregated from official Michigan legislature records).
+