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

https://www.bright-bookmarks.win/the-2026-hemp-definition-change-brings-two-dates-to-keep-straight-nov-12-and

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