---
type: "Bill"
title: "Explosives; other; Michigan explosives permitting act; repeal. Repeals 1970 PA 202 (MCL 29.41 - 29.55)."
description: "Explosives; other; Michigan explosives permitting act; repeal. Repeals 1970 PA 202 (MCL 29.41 - 29.55)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "HB 4523"
citation: "Michigan HB 4523 (2017-2018)"
classification: ["bill"]
subjects: ["Explosives: other"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 30
vote_count: 3
first_action: "2017-04-25T04:00:00+00:00"
last_action: "2018-02-22T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/763e9151-aaab-447f-923e-2c10e640d474"
source_url: "http://legislature.mi.gov/doc.aspx?2017-HB-4523"
source_hash: "6c3b853a0e48c54de636aa25734f251b2f5065dbcc744090a3c688c56d64697e"
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 4523 (2017-2018) — Explosives; other; Michigan explosives permitting act; repeal. Repeals 1970 PA 202 (MCL 29.41 - 29.55).

## 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://www.legislature.mi.gov/documents/2017-2018/billengrossed/House/htm/2017-HEBH-4523.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/House/htm/2017-HEBS-4523.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billconcurred/House/htm/2017-HCB-4523.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/House/htm/2017-HIB-4523.htm)
5. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2018-PA-0027.htm)

## Votes

- passed; given immediate effect Roll Call # 409 Yeas 107 Nays 0 — **107–0** (pass) · lower
- Roll Call # 57 Yeas 108 Nays 0 — **108–0** (pass) · lower
- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 61 YEAS 36 NAYS 0 EXCUSED 2 NOT VOTING 0 — **36–0** (pass) · upper

## Sponsors

- 72 — cosponsor (person)
- Aaron Miller — cosponsor (person)
- Scott VanSingel — cosponsor (person)
- Steven Johnson — cosponsor (person)
- Tom Barrett — cosponsor (person)

## Timeline

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

- **2017-04-25T04:00:00+00:00** introduced by Representative Steven Johnson `introduction`
- **2017-04-25T04:00:00+00:00** read a first time `reading-1`
- **2017-04-25T04:00:00+00:00** referred to Committee on Judiciary `referral-committee`
- **2017-04-26T04:00:00+00:00** bill electronically reproduced 04/25/2017
- **2017-11-07T05:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2017-11-07T05:00:00+00:00** referred to second reading
- **2017-11-28T05:00:00+00:00** read a second time `reading-2`
- **2017-11-28T05:00:00+00:00** placed on third reading
- **2017-11-29T05:00:00+00:00** read a third time `reading-3`
- **2017-11-29T05:00:00+00:00** passed; given immediate effect Roll Call # 409 Yeas 107 Nays 0 `passage`
- **2017-11-29T05:00:00+00:00** transmitted
- **2017-12-05T05:00:00+00:00** REFERRED TO COMMITTEE ON JUDICIARY `referral-committee`
- **2018-01-18T05:00:00+00:00** REPORTED FAVORABLY WITH SUBSTITUTE S-1 `committee-passage`
- **2018-01-18T05:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2018-01-18T05:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE S-1 `referral-committee`
- **2018-02-01T05:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE S-1 `committee-passage`
- **2018-02-01T05:00:00+00:00** SUBSTITUTE S-1 CONCURRED IN
- **2018-02-01T05:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE S-1
- **2018-02-06T05:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 61 YEAS 36 NAYS 0 EXCUSED 2 NOT VOTING 0 `passage`
- **2018-02-06T05:00:00+00:00** INSERTED FULL TITLE
- **2018-02-06T05:00:00+00:00** returned from Senate with substitute S-1 with immediate effect and full title
- **2018-02-06T05:00:00+00:00** laid over one day under the rules
- **2018-02-13T05:00:00+00:00** Senate substitute S-1 concurred in
- **2018-02-13T05:00:00+00:00** Roll Call # 57 Yeas 108 Nays 0
- **2018-02-13T05:00:00+00:00** full title agreed to
- **2018-02-13T05:00:00+00:00** bill ordered enrolled
- **2018-02-20T05:00:00+00:00** presented to the Governor 2/20/2018 @ 9:38 AM `executive-receipt`
- **2018-02-22T05:00:00+00:00** approved by the Governor 2/20/2018 @ 12:15 PM `executive-signature`
- **2018-02-22T05:00:00+00:00** filed with Secretary of State 2/21/2018 @ 1:54 PM
- **2018-02-22T05:00:00+00:00** assigned PA 27'18 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/763e9151-aaab-447f-923e-2c10e640d474`. Confidence: reported (aggregated from official Michigan legislature records).