Bill Commons

MI HB 6303

in committee

Construction: code; code requirement to use air tightness testing to test a commercial building's building envelope; prohibit. Amends 1972 PA 230 (MCL 125.1501 - 125.1531) by adding sec. 4j. TIE BAR WITH: HB 6304'26

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

Follow this bill’s action updates (Atom)

Subscribe in a feed reader. The feed covers recorded actions from the last 30 days; Bill Commons may record an action after it happened at the legislature.

Quick answers

Did MI HB 6303 pass?

Not yet. MI HB 6303 is in committee and has not come to a final vote. Latest recorded action (2026-09-01): bill electronically reproduced 08/27/2026

What is MI HB 6303 about?

MI HB 6303 is a bill in the 2025-2026 Regular Session (103rd Legislature) titled “Construction: code; code requirement to use air tightness testing to test a commercial building's building envelope; prohibit. Amends 1972 PA 230 (MCL 125.1501 - 125.1531) by adding sec. 4j. TIE BAR WITH: HB 6304'26”.

Who sponsors MI HB 6303?

Steve Carra is the primary sponsor of MI HB 6303, joined by 4 cosponsors.

Introduced
—
Latest action
2026-09-01 — bill electronically reproduced 08/27/2026
Bill type
bill
Last updated
—

Sponsors

  • Steve Carraprimary
  • Matt Maddockcosponsor
  • Steve Frisbiecosponsor
  • Matt Bierleincosponsor
  • James DeSanacosponsor

Committees

Not provided by source.

Action timeline

Newest first

  1. 2026-09-01

    bill electronically reproduced 08/27/2026

  2. 2026-08-27

    referred to Committee on Rules

    referral-committee

  3. 2026-08-27

    read a first time

    reading-1

  4. 2026-08-27

    introduced by Representative Rep. Steve Carra

    introduction

Versions

Documents

Votes

Not provided by source.

Related bills

No related bills recorded for this bill.

Official source

https://legislature.mi.gov/Bills/Bill?ObjectName=2026-HB-6303

Attribution

Data from openstates_api_sync, retrieved 2026-08-29T23:46:50.941448Z

Inspect retained evidence for changes recorded after evidence tracking began:

Source and document changesStatus and relationship changes

Session-wide evidence can include changes to other bills:

Bulk imports for this sessionSession dates and activity

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 6303. 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.