---
type: "Bill"
title: "Crimes; other; possession of a trailer designed for defense or attack; repeal. Repeals sec. 421 of 1931 PA 328 (MCL 750.421)."
description: "Crimes; other; possession of a trailer designed for defense or attack; repeal. Repeals sec. 421 of 1931 PA 328 (MCL 750.421)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2019-2020"
identifier: "HB 4712"
citation: "Michigan HB 4712 (2019-2020)"
classification: ["bill"]
subjects: ["Crimes: other", "Vehicles: trailers", "Crimes: vehicle offenses", "Crimes: weapons", "Crimes: public safety"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 27
vote_count: 2
first_action: "2019-06-11T04:00:00+00:00"
last_action: "2020-03-10T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/568177b9-80fd-42b1-a86e-a80d1bfcf9de"
source_url: "http://legislature.mi.gov/doc.aspx?2019-HB-4712"
source_hash: "f9fb9970de256323f840dbfa266dd18cf61e94ce3ad35b6ab4d4d7de9d60c1d9"
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 4712 (2019-2020) — Crimes; other; possession of a trailer designed for defense or attack; repeal. Repeals sec. 421 of 1931 PA 328 (MCL 750.421).

## 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/House/htm/2019-HEBH-4712.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/House/htm/2019-HEBS-4712.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billconcurred/House/htm/2019-HCB-4712.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billintroduced/House/htm/2019-HIB-4712.htm)
5. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/publicact/htm/2020-PA-0057.htm)

## Votes

- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 79 YEAS 37 NAYS 0 EXCUSED 1 NOT VOTING 0 — **37–0** (pass) · upper
- passed; given immediate effect Roll Call # 377 Yeas 96 Nays 12 Excused 0 Not Voting 1 — **96–12** (pass) · lower

## Sponsors

- Aaron Miller — cosponsor (person)
- Beau LaFave — cosponsor (person)
- Steven Johnson — cosponsor (person)

## Timeline

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

- **2019-06-11T04:00:00+00:00** introduced by Representative Steven Johnson `introduction`
- **2019-06-11T04:00:00+00:00** read a first time `reading-1`
- **2019-06-11T04:00:00+00:00** referred to Committee on Judiciary `referral-committee`
- **2019-06-12T04:00:00+00:00** bill electronically reproduced 06/12/2019
- **2019-12-03T05:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2019-12-03T05:00:00+00:00** referred to second reading
- **2019-12-11T05:00:00+00:00** read a second time `reading-2`
- **2019-12-11T05:00:00+00:00** placed on third reading
- **2019-12-11T05:00:00+00:00** placed on immediate passage
- **2019-12-11T05:00:00+00:00** read a third time `reading-3`
- **2019-12-11T05:00:00+00:00** passed; given immediate effect Roll Call # 377 Yeas 96 Nays 12 Excused 0 Not Voting 1 `passage`
- **2019-12-11T05:00:00+00:00** transmitted
- **2020-01-08T05:00:00+00:00** REFERRED TO COMMITTEE ON JUDICIARY AND PUBLIC SAFETY `referral-committee`
- **2020-02-18T05:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2020-02-18T05:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2020-02-18T05:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2020-02-25T05:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2020-02-25T05:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2020-02-26T05:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 79 YEAS 37 NAYS 0 EXCUSED 1 NOT VOTING 0 `passage`
- **2020-02-26T05:00:00+00:00** INSERTED FULL TITLE
- **2020-02-26T05:00:00+00:00** returned from Senate without amendment with immediate effect and full title
- **2020-02-26T05:00:00+00:00** full title agreed to
- **2020-02-26T05:00:00+00:00** bill ordered enrolled
- **2020-03-03T05:00:00+00:00** presented to the Governor 02/27/2020 03:04 PM `executive-receipt`
- **2020-03-10T04:00:00+00:00** approved by the Governor 03/10/2020 01:40 PM `executive-signature`
- **2020-03-10T04:00:00+00:00** filed with Secretary of State 03/10/2020 02:12 PM
- **2020-03-10T04:00:00+00:00** assigned PA 57'20 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/568177b9-80fd-42b1-a86e-a80d1bfcf9de`. Confidence: reported (aggregated from official Michigan legislature records).