Compliance Dates

HCS 2024 Deadlines by State Plan: Why November 20, 2026 Is the Wrong Date in Most of Them

We read twenty-two state plans instead of assuming they match federal. Washington's substances deadline was July 20, 2026, already past, and on the face of their own rules Michigan and Minnesota land on that same date, not November 20. California has not adopted HCS 2024 at all. What each rule actually says, and how to check yours in ten minutes.