Starting Nov 12, 2026, the federal hemp definition shifts to total THC, with a...

https://www.bookmarkidea.win/starting-nov-12-2026-federal-hemp-rules-count-total-thc-including-thca-and

Starting Nov 12, 2026, the federal hemp definition shifts to total THC, with a 0.4 mg-per-container cap. By Dec 11, 2026, check labels and current lab results for total THC per container—not just delta-9—before buying.