On Nov. 12, 2026, federal hemp rules change; the new definition takes effect...

https://penzu.com/p/77ca1faa0519aabf

On Nov. 12, 2026, federal hemp rules change; the new definition takes effect Dec. 11. It counts total THC, including THCA, and caps hemp-derived cannabinoids at 0.4 mg per container. That may affect whether products on shelves still qualify as hemp.