---
type: "Bill"
title: "Animals; other; definition of livestock in Michigan penal code; modify citation. Amends sec. 50 of 1931 PA 328 (MCL 750.50). TIE BAR WITH: SB 0174'19"
description: "Animals; other; definition of livestock in Michigan penal code; modify citation. Amends sec. 50 of 1931 PA 328 (MCL 750.50). TIE BAR WITH: SB 0174'19"
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2019-2020"
identifier: "SB 181"
citation: "Michigan SB 181 (2019-2020)"
classification: ["bill"]
subjects: ["Animals: other", "State agencies (existing): agriculture and rural development"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 29
vote_count: 2
first_action: "2019-03-07T05:00:00+00:00"
last_action: "2019-12-03T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/dcb51975-a8fb-4d06-a85e-715b1ed53a10"
source_url: "http://legislature.mi.gov/doc.aspx?2019-SB-0181"
source_hash: "a865026b344794aab66a2bd1eb5a79bf08b636413af8feee56c14078500a5946"
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 181 (2019-2020) — Animals; other; definition of livestock in Michigan penal code; modify citation. Amends sec. 50 of 1931 PA 328 (MCL 750.50). TIE BAR WITH: SB 0174'19

## 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](http://legislature.mi.gov/documents/2019-2020/billengrossed/Senate/htm/2019-SEBH-0181.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/Senate/htm/2019-SEBS-0181.htm)
3. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/publicact/htm/2019-PA-0135.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billintroduced/Senate/htm/2019-SIB-0181.htm)

## Votes

- passed; given immediate effect Roll Call # 322 Yeas 106 Nays 4 Excused 0 Not Voting 0 — **106–4** (pass) · lower
- PASSED ROLL CALL # 280 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 — **38–0** (pass) · upper

## Sponsors

- Dan Lauwers — cosponsor (person)
- Kevin Daley — cosponsor (person)

## Timeline

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

- **2019-03-07T05:00:00+00:00** INTRODUCED BY SENATOR DAN LAUWERS `introduction`
- **2019-03-07T05:00:00+00:00** REFERRED TO COMMITTEE ON AGRICULTURE `referral-committee`
- **2019-10-22T04:00:00+00:00** REPORTED FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2019-10-22T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2019-10-22T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-1) `referral-committee`
- **2019-10-23T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage`
- **2019-10-23T04:00:00+00:00** SUBSTITUTE (S-1) CONCURRED IN
- **2019-10-23T04:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1)
- **2019-10-24T04:00:00+00:00** PASSED ROLL CALL # 280 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 `passage`
- **2019-10-24T04:00:00+00:00** received on 10/24/2019 `introduction`
- **2019-10-24T04:00:00+00:00** read a first time `reading-1`
- **2019-10-24T04:00:00+00:00** referred to Committee on Agriculture `referral-committee`
- **2019-10-30T04:00:00+00:00** referred to Committee on Ways and Means `referral-committee`
- **2019-11-06T05:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2019-11-06T05:00:00+00:00** referred to second reading
- **2019-11-06T05:00:00+00:00** read a second time `reading-2`
- **2019-11-06T05:00:00+00:00** placed on third reading
- **2019-11-06T05:00:00+00:00** placed on immediate passage
- **2019-11-06T05:00:00+00:00** read a third time `reading-3`
- **2019-11-06T05:00:00+00:00** passed; given immediate effect Roll Call # 322 Yeas 106 Nays 4 Excused 0 Not Voting 0 `passage`
- **2019-11-06T05:00:00+00:00** inserted full title
- **2019-11-06T05:00:00+00:00** returned to Senate
- **2019-11-07T05:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2019-10-24T04:00:00+00:00** FULL TITLE AGREED TO
- **2019-11-07T05:00:00+00:00** ORDERED ENROLLED
- **2019-11-20T05:00:00+00:00** PRESENTED TO GOVERNOR 11/14/2019 01:56 PM `executive-receipt`
- **2019-12-03T05:00:00+00:00** APPROVED BY GOVERNOR 11/21/2019 10:55 AM `executive-signature`
- **2019-12-03T05:00:00+00:00** FILED WITH SECRETARY OF STATE 11/21/2019 04:26 PM
- **2019-12-03T05:00:00+00:00** ASSIGNED PA 0135'19 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/dcb51975-a8fb-4d06-a85e-715b1ed53a10`. Confidence: reported (aggregated from official Michigan legislature records).