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

https://www.cast-bookmarks.win/the-federal-hemp-definition-changes-nov-12-2026-to-use-total-thc-and-a-0-4

From Nov 12, 2026, federal hemp rules change; the new definition takes effect Dec 11. It counts total THC, including THCA, and limits finished products to 0.4 mg total THC per container. Check product labels and COAs before you buy.