---
type: "Bill"
title: "Retirement: public school employees; unfunded actuarial accrued liability contribution amount for a university reporting unit; modify. Amends sec. 41 of 1980 PA 300 (MCL 38.1341)."
description: "Retirement: public school employees; unfunded actuarial accrued liability contribution amount for a university reporting unit; modify. Amends sec. 41 of 1980 PA 300 (MCL 38.1341)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 511"
citation: "Michigan SB 511 (2023-2024)"
classification: ["bill"]
subjects: ["Higher education: other", "Retirement: defined benefit", "Retirement: public school employees"]
status: "enacted"
primary_sponsors: ["Sean McCann"]
version_count: 6
action_count: 27
vote_count: 2
first_action: "2023-09-19"
last_action: "2023-11-08"
source: "openstates"
source_identifier: "ocd-bill/ed480b09-241f-4dd7-a350-5a734b674d26"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0511"
source_hash: "c80e12499e3532eda50ae9d105e415df98f4bb51c46a9995664b34441f0e8cec"
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 511 (2023-2024) — Retirement: public school employees; unfunded actuarial accrued liability contribution amount for a university reporting unit; modify. Amends sec. 41 of 1980 PA 300 (MCL 38.1341).

## 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-0511.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0511.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0198.pdf)
4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0511.pdf)
5. **Substitute (S-1)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0511-00C75.pdf)
6. **Substitute (S-1) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0511-00D46.pdf)

## Votes

- PASSED ROLL CALL # 471 YEAS 24 NAYS 14 EXCUSED 0 NOT VOTING 0 — **24–14** (pass) · upper
- passed; given immediate effect Roll Call # 380 Yeas 65 Nays 45 Excused 0 Not Voting 0 — **65–45** (pass) · lower

## Sponsors

- Sean McCann — primary (person)
- Erika Geiss — cosponsor (person)
- Jeff Irwin — cosponsor (person)
- Mary Cavanagh — cosponsor (person)

## Timeline

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

- **2023-09-19** INTRODUCED BY SENATOR SEAN MCCANN `introduction`
- **2023-09-19** RULES SUSPENDED
- **2023-09-19** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2023-09-26** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2023-09-26** SUBSTITUTE (S-1) CONCURRED IN
- **2023-09-26** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1)
- **2023-09-27** AMENDMENT(S) DEFEATED `amendment-failure`
- **2023-09-27** SUBSTITUTE (S-2) DEFEATED
- **2023-09-27** PASSED ROLL CALL # 471 YEAS 24 NAYS 14 EXCUSED 0 NOT VOTING 0 `passage`
- **2023-09-27** received on 09/27/2023 `introduction`
- **2023-09-27** read a first time `reading-1`
- **2023-09-27** referred to Committee on Appropriations `referral-committee`
- **2023-10-11** reported with recommendation without amendment `committee-passage`
- **2023-10-11** referred to second reading
- **2023-10-17** read a second time `reading-2`
- **2023-10-17** placed on third reading
- **2023-10-18** read a third time `reading-3`
- **2023-10-18** passed; given immediate effect Roll Call # 380 Yeas 65 Nays 45 Excused 0 Not Voting 0 `passage`
- **2023-10-18** inserted full title
- **2023-10-18** returned to Senate
- **2023-10-19** GIVEN IMMEDIATE EFFECT
- **2023-10-19** FULL TITLE AGREED TO
- **2023-10-19** ORDERED ENROLLED
- **2023-10-31** PRESENTED TO GOVERNOR 10/27/2023 02:34 PM `executive-receipt`
- **2023-11-08** APPROVED BY GOVERNOR 11/07/2023 01:34 PM `executive-signature`
- **2023-11-08** FILED WITH SECRETARY OF STATE 11/07/2023 02:42 PM
- **2023-11-08** ASSIGNED PA 0198'23 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ed480b09-241f-4dd7-a350-5a734b674d26`. Confidence: reported (aggregated from official Michigan legislature records).