Bill Commons

MI HB 4170

passed both

Individual income tax: rate; rollback of rate to 4.05% and effect of a triggering rate reduction; provide for, and clarify permanency. Amends sec. 51 of 1967 PA 281 (MCL 206.51).

Michigan · 2025-2026 Regular Session (103rd Legislature) · lower

Quick answers

Did MI HB 4170 pass?

Not yet law. MI HB 4170 has passed both chambers but has not been enacted as of 2025-03-20. Latest recorded action (2025-03-20): REFERRED TO COMMITTEE ON FINANCE, INSURANCE, AND CONSUMER PROTECTION

What is MI HB 4170 about?

MI HB 4170 is a bill in the 2025-2026 Regular Session (103rd Legislature) titled “Individual income tax: rate; rollback of rate to 4.05% and effect of a triggering rate reduction; provide for, and clarify permanency. Amends sec. 51 of 1967 PA 281 (MCL 206.51).”.

Who sponsors MI HB 4170?

Kathy Schmaltz is the primary sponsor of MI HB 4170, joined by 23 cosponsors.

Introduced
2025-03-05
Latest action
2025-03-20 — REFERRED TO COMMITTEE ON FINANCE, INSURANCE, AND CONSUMER PROTECTION
Bill type
bill
Last updated
—

Subjects

Sponsors

  • Kathy Schmaltzprimary
  • Tom Kunsecosponsor
  • Rylee Lintingcosponsor
  • William Bruckcosponsor
  • Ken Bortoncosponsor
  • Parker Fairbairncosponsor
  • Angela Rigascosponsor
  • Jamie Thompsoncosponsor
  • Timothy Besoncosponsor
  • Steve Carracosponsor
  • John Rothcosponsor
  • Nancy DeBoercosponsor
  • Curtis VanderWallcosponsor
  • James DeSanacosponsor
  • Alicia St. Germainecosponsor
  • Steve Frisbiecosponsor
  • Mike Hoadleycosponsor
  • Mike Muellercosponsor
  • Jay DeBoyercosponsor
  • Gregory Markkanencosponsor
  • Cameron Cavittcosponsor
  • Douglas Wozniakcosponsor
  • Joseph Pavlovcosponsor
  • David Prestincosponsor

Committees

Not provided by source.

Action timeline

  1. 2025-03-05

    introduced by Representative Rep. Kathy Schmaltz

    introduction

  2. 2025-03-05

    read a first time

    reading-1

  3. 2025-03-05

    referred to Committee on Finance

    referral-committee

  4. 2025-03-06

    bill electronically reproduced 03/05/2025

  5. 2025-03-11

    reported with recommendation without amendment

    committee-passage

  6. 2025-03-11

    referred to second reading

  7. 2025-03-18

    read a second time

    reading-2

  8. 2025-03-18

    placed on third reading

  9. 2025-03-18

    placed on immediate passage

  10. 2025-03-18

    read a third time

    reading-3

  11. 2025-03-18

    passed; given immediate effect Roll Call #32 Yeas 65 Nays 43 Excused 0 Not Voting 2

    passage

  12. 2025-03-18

    transmitted

  13. 2025-03-20

    PASSED BY HOUSE WITH IMMEDIATE EFFECT

    passage

  14. 2025-03-20

    REFERRED TO COMMITTEE ON FINANCE, INSURANCE, AND CONSUMER PROTECTION

    referral-committee

Versions

Documents

Votes

  • passed; given immediate effect Roll Call #32 Yeas 65 Nays 43 Excused 0 Not Voting 2

    2025-03-18 · pass · 65-43

    Member-level votes (108)
    • Alexander: yes
    • Fox: yes
    • Markkanen: yes
    • Schriver: yes
    • Aragona: yes
    • Frisbie: yes
    • Martin: yes
    • Schuette: yes
    • BeGole: yes
    • Green, P.: yes
    • Meerman: yes
    • Slagh: yes
    • Beson: yes
    • Greene, J.: yes
    • Mentzer: yes
    • Smit: yes
    • Bierlein: yes
    • Hall: yes
    • Miller: yes
    • St. Germaine: yes
    • Bohnak: yes
    • Harris: yes
    • Mueller: yes
    • Steele: yes
    • Bollin: yes
    • Hoadley: yes
    • Neyer: yes
    • Thompson: yes
    • Borton: yes
    • Jenkins-Arno: yes
    • Outman: yes
    • Tisdel: yes
    • Breen: yes
    • Johnsen: yes
    • Paquette: yes
    • VanderWall: yes
    • Bruck: yes
    • Kelly: yes
    • Pavlov: yes
    • VanWoerkom: yes
    • Carra: yes
    • Koleszar: yes
    • Posthumus: yes
    • Wendzel: yes
    • Cavitt: yes
    • Kuhn: yes
    • Prestin: yes
    • Witwer: yes
    • DeBoer: yes
    • Kunse: yes
    • Rigas: yes
    • Woolford: yes
    • DeBoyer: yes
    • Lightner: yes
    • Robinson: yes
    • Wortz: yes
    • DeSana: yes
    • Linting: yes
    • Roth: yes
    • Wozniak: yes
    • Fairbairn: yes
    • Maddock: yes
    • Schmaltz: yes
    • Xiong: yes
    • Fitzgerald: yes
    • Andrews: no
    • Foreman: no
    • Morgan: no
    • Skaggs: no
    • Arbit: no
    • Glanville: no
    • Myers-Phillips: no
    • Snyder: no
    • Brixie: no
    • Grant: no
    • Neeley: no
    • Steckloff: no
    • Byrnes: no
    • Herzberg: no
    • O’Neal: no
    • Tate: no
    • Carter, B.: no
    • Hoskins: no
    • Paiz: no
    • Tsernoglou: no
    • Carter, T.: no
    • Liberati: no
    • Pohutsky: no
    • Wegela: no
    • Coffia: no
    • Longjohn: no
    • Price: no
    • Weiss: no
    • Conlin: no
    • MacDonell: no
    • Puri: no
    • Wilson: no
    • Dievendorf: no
    • Martus: no
    • Rheingans: no
    • Wooden: no
    • Edwards: no
    • McFall: no
    • Rogers: no
    • Young: no
    • Farhat: no
    • McKinney: no
    • Scott: no

Related bills

No related bills recorded for this bill.

Official source

https://legislature.mi.gov/Bills/Bill?ObjectName=2025-HB-4170

Attribution

Data from openstates_bulk_csv, retrieved 2026-07-24T05:24:27.556085Z

Inspect retained evidence for changes recorded after evidence tracking began:

Source and document changesStatus and relationship changes

Use this data

Every field on this page is available from the free public API — no key or licence required. Fetch this bill as JSON: GET /api/v1/bills?jurisdiction=MI&identifier=HB 4170. See the API docs or the MCP server for AI assistants.

Known limitations

  • Sponsor party and chamber affiliation are not yet captured by this API.
  • Committee referrals are not yet captured.

See the methodology page for data sources and limitations.