Michigan 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

Status: bill electronically reproduced 08/27/2026 (as of 2026-09-01)

State: Michigan · Session: 2025-2026 · Bill: HB 6303

Subjects: Construction: code

Sponsors: Steve Carra, Matt Maddock, Steve Frisbie, Matt Bierlein, James DeSana

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