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

https://uniform-wiki.win/index.php/What_Does_Total_THC_Mean_on_a_CBD_Lab_Report%3F

Starting Nov 12, 2026, the federal hemp definition shifts to total THC, with a 0.4 mg-per-container cap; enforcement begins Dec 11. Before buying, check total THC per container—not just delta-9—and look for clear testing details.