---
type: "Bill"
title: "Insurance: health insurers; providing coverage equivalent to a certain percentage of the full actuarial value of benefits under a health insurance policy; require. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406ee."
description: "Insurance: health insurers; providing coverage equivalent to a certain percentage of the full actuarial value of benefits under a health insurance policy; require. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406ee."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 358"
citation: "Michigan SB 358 (2023-2024)"
classification: ["bill"]
subjects: ["Insurance: health insurers"]
status: "enacted"
primary_sponsors: ["Veronica Klinefelt"]
version_count: 9
action_count: 31
vote_count: 3
first_action: "2023-05-24"
last_action: "2023-10-24"
source: "openstates"
source_identifier: "ocd-bill/7b626783-ba21-4d1e-b33d-eabc09cbff86"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0358"
source_hash: "1dc04c32ac3ee74bb841fada10f29cbcfd3a587f9d9e7a803f61968d17cac83b"
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 358 (2023-2024) — Insurance: health insurers; providing coverage equivalent to a certain percentage of the full actuarial value of benefits under a health insurance policy; require. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406ee.

## 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-0358.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0358.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0163.pdf)
4. **Senate Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/Senate/pdf/2023-SCB-0358.pdf)
5. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0358.pdf)
6. **Substitute (H-1)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0358-0N2917.pdf)
7. **Substitute (H-1) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0358-0O3320.pdf)
8. **Substitute (S-2)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0358-00C77.pdf)
9. **Substitute (S-2) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0358-00D48.pdf)

## Votes

- ROLL CALL: ROLL CALL # 535 YEAS 22 NAYS 16 EXCUSED 0 NOT VOTING 0 — **22–16** (pass) · upper
- passed; given immediate effect Roll Call # 362 Yeas 56 Nays 54 Excused 0 Not Voting 0 — **56–54** (pass) · lower
- PASSED ROLL CALL # 358 YEAS 23 NAYS 15 EXCUSED 0 NOT VOTING 0 — **23–15** (pass) · upper

## Sponsors

- Veronica Klinefelt — primary (person)
- Dayna Polehanki — cosponsor (person)
- John Cherry — cosponsor (person)
- Kevin Hertel — cosponsor (person)
- Mallory McMorrow — cosponsor (person)
- Mary Cavanagh — cosponsor (person)
- Paul Wojno — cosponsor (person)
- Sam Singh — cosponsor (person)
- Stephanie Chang — cosponsor (person)
- Sue Shink — cosponsor (person)
- Winnie Brinks — cosponsor (person)

## Timeline

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

- **2023-05-24** INTRODUCED BY SENATOR VERONICA KLINEFELT `introduction`
- **2023-05-24** REFERRED TO COMMITTEE ON HEALTH POLICY `referral-committee`
- **2023-06-14** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2023-06-14** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2023-06-14** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-2) `committee-passage`
- **2023-06-14** SUBSTITUTE (S-2) CONCURRED IN
- **2023-06-14** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-2)
- **2023-06-14** RULES SUSPENDED
- **2023-06-14** PLACED ON IMMEDIATE PASSAGE
- **2023-06-14** PASSED ROLL CALL # 358 YEAS 23 NAYS 15 EXCUSED 0 NOT VOTING 0 `passage`
- **2023-06-14** received on 06/14/2023 `introduction`
- **2023-06-14** read a first time `reading-1`
- **2023-06-14** referred to Committee on Insurance and Financial Services `referral-committee`
- **2023-09-28** reported with recommendation with substitute (H-1) `committee-passage`
- **2023-09-28** referred to second reading
- **2023-10-12** read a second time `reading-2`
- **2023-10-12** placed on third reading
- **2023-10-12** substitute (H-1) adopted
- **2023-10-12** placed on immediate passage
- **2023-10-12** read a third time `reading-3`
- **2023-10-12** passed; given immediate effect Roll Call # 362 Yeas 56 Nays 54 Excused 0 Not Voting 0 `passage`
- **2023-10-12** title amended
- **2023-10-12** returned to Senate
- **2023-10-18** HOUSE SUBSTITUTE (H-1) CONCURRED IN
- **2023-10-18** ROLL CALL: ROLL CALL # 535 YEAS 22 NAYS 16 EXCUSED 0 NOT VOTING 0
- **2023-10-18** TITLE AMENDMENT AGREED TO
- **2023-10-18** ORDERED ENROLLED
- **2023-10-19** PRESENTED TO GOVERNOR 10/18/2023 02:39 PM `executive-receipt`
- **2023-10-24** APPROVED BY GOVERNOR 10/19/2023 10:14 AM `executive-signature`
- **2023-10-24** FILED WITH SECRETARY OF STATE 10/19/2023 11:54 AM
- **2023-10-24** ASSIGNED PA 0163'23

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7b626783-ba21-4d1e-b33d-eabc09cbff86`. Confidence: reported (aggregated from official Michigan legislature records).