republic-os/legislation/us/states/mi/2021-2022/hb-4172.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Worker's compensation: disabilities; certain occupational diseases; extend presumption of causation to part-time, paid on-call, and volunteer firefighters. Amends sec. 405 of 1969 PA 317 (MCL 418.405).	Worker's compensation: disabilities; certain occupational diseases; extend presumption of causation to part-time, paid on-call, and volunteer firefighters. Amends sec. 405 of 1969 PA 317 (MCL 418.405).	us/states/mi	Michigan Legislature	2021-2022	HB 4172	Michigan HB 4172 (2021-2022)	bill	Law enforcement: fire personnel Worker's compensation: disabilities	enacted	Jeff Yaroch	5	31	3	2021-02-09T05:00:00+00:00	2021-12-15T05:00:00+00:00	openstates	ocd-bill/4fb9b8af-1c07-40db-b206-5ffada281564	http://legislature.mi.gov/doc.aspx?2021-HB-4172	9a0cdbdf702e02c4c4e9cf8032c61d28eec90814d1bf3ff94418558bd3a483df	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-mi

Michigan HB 4172 (2021-2022) — Worker's compensation: disabilities; certain occupational diseases; extend presumption of causation to part-time, paid on-call, and volunteer firefighters. Amends sec. 405 of 1969 PA 317 (MCL 418.405).

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
2. As Passed by the Senate (committee substitute) — source
3. House Concurred Bill (committee substitute) — source
4. House Introduced Bill (committee substitute) — source
5. Public Act (committee substitute) — source

Votes

• roll call Roll Call # 579 Yeas 96 Nays 3 Excused 0 Not Voting 8 — 96–3 (pass) · lower
• PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 435 YEAS 35 NAYS 0 EXCUSED 1 NOT VOTING 0 — 35–0 (pass) · upper
• passed; given immediate effect Roll Call # 51 Yeas 106 Nays 3 Excused 0 Not Voting 1 — 106–3 (pass) · lower

Sponsors

• Jeff Yaroch — primary (person)
• Abraham Aiyash — cosponsor (person)
• Douglas Wozniak — cosponsor (person)
• Gregory Markkanen — cosponsor (person)
• Jack O'Malley — cosponsor (person)
• Jim Haadsma — cosponsor (person)
• Joseph Tate — cosponsor (person)
• Julie Brixie — cosponsor (person)
• Kelly Breen — cosponsor (person)
• Ken Borton — cosponsor (person)
• Kevin Hertel — cosponsor (person)
• Mark Tisdel — cosponsor (person)
• Rachel Hood — cosponsor (person)
• Sue Allor — cosponsor (person)
• Terry Sabo — cosponsor (person)

Timeline

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

• 2021-02-09T05:00:00+00:00 introduced by Representative Jeff Yaroch introduction
• 2021-02-09T05:00:00+00:00 read a first time reading-1
• 2021-02-09T05:00:00+00:00 referred to Committee on Insurance referral-committee
• 2021-02-10T05:00:00+00:00 bill electronically reproduced 02/09/2021
• 2021-03-04T05:00:00+00:00 reported with recommendation with substitute (H-1) committee-passage
• 2021-03-04T05:00:00+00:00 referred to second reading
• 2021-03-16T04:00:00+00:00 read a second time reading-2
• 2021-03-16T04:00:00+00:00 substitute (H-1) adopted
• 2021-03-16T04:00:00+00:00 placed on third reading
• 2021-03-17T04:00:00+00:00 read a third time reading-3
• 2021-03-17T04:00:00+00:00 passed; given immediate effect Roll Call # 51 Yeas 106 Nays 3 Excused 0 Not Voting 1 passage
• 2021-03-17T04:00:00+00:00 transmitted
• 2021-03-18T04:00:00+00:00 REFERRED TO COMMITTEE ON INSURANCE AND BANKING referral-committee
• 2021-10-28T04:00:00+00:00 REPORTED FAVORABLY WITHOUT AMENDMENT committee-passage
• 2021-10-28T04:00:00+00:00 COMMITTEE RECOMMENDED IMMEDIATE EFFECT
• 2021-10-28T04:00:00+00:00 REFERRED TO COMMITTEE OF THE WHOLE referral-committee
• 2021-11-02T04:00:00+00:00 REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) committee-passage
• 2021-11-02T04:00:00+00:00 SUBSTITUTE (S-1) CONCURRED IN
• 2021-11-02T04:00:00+00:00 PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1)
• 2021-11-10T05:00:00+00:00 PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 435 YEAS 35 NAYS 0 EXCUSED 1 NOT VOTING 0 passage
• 2021-11-10T05:00:00+00:00 INSERTED FULL TITLE
• 2021-11-10T05:00:00+00:00 returned from Senate with substitute (S-1) with immediate effect and full title
• 2021-11-10T05:00:00+00:00 laid over one day under the rules
• 2021-12-02T05:00:00+00:00 Senate substitute (S-1) concurred in
• 2021-12-02T05:00:00+00:00 roll call Roll Call # 579 Yeas 96 Nays 3 Excused 0 Not Voting 8
• 2021-12-02T05:00:00+00:00 full title agreed to
• 2021-12-02T05:00:00+00:00 bill ordered enrolled
• 2021-12-07T05:00:00+00:00 presented to the Governor 12/07/2021 03:10 PM executive-receipt
• 2021-12-15T05:00:00+00:00 approved by the Governor 12/16/2021 05:35 PM executive-signature
• 2021-12-15T05:00:00+00:00 filed with Secretary of State 12/17/2021 04:26 PM
• 2021-12-15T05:00:00+00:00 assigned PA 129'21 with immediate effect

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/4fb9b8af-1c07-40db-b206-5ffada281564. Confidence: reported (aggregated from official Michigan legislature records).