HB 6303

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

In committee Last action September 1, 2026: bill electronically reproduced August 27, 2026

Official bill page and text: legislature.mi.gov

Sponsors 5

Prime sponsor: Steve Carra
Cosponsors (4): James DeSana, Matt Bierlein, Matt Maddock, Steve Frisbie

Status

In committee as of September 1, 2026. The 103rd Legislature serves until the 104th convenes on January 13, 2027.

Referred to: House Rules (from the official referral record)

Roll-call votes 0

No roll-call votes recorded for this measure.

Timeline 4

Date	Chamber	Action
September 1, 2026	House	bill electronically reproduced August 27, 2026
August 27, 2026	House	referred to Committee on Rules
August 27, 2026	House	read a first time
August 27, 2026	House	introduced by Representative Rep. Steve Carra

Data: Open States (API v3; public data, attribution appreciated). Official record: legislature.mi.gov. Bill pages link to the official text, not copied.

Sources for this page

Bill, action and roll-call data from Open States (public data, attribution appreciated). Neither Michigan Capitol Guide nor this information, as presented here, is endorsed by the Michigan Legislature.