On Nov. 12, 2026, federal hemp rules shift to total THC, counting THCA—not just...

https://www.joint-bookmarks.win/starting-nov-12-2026-the-federal-hemp-definition-shifts-to-a-total-thc-test

On Nov. 12, 2026, federal hemp rules shift to total THC, counting THCA—not just delta-9. By Dec. 11, products must meet a 0.4 mg total-THC cap per container, which may change what shoppers can buy.