Federal hemp rules change on Nov. 12, 2026, with updates expected by Dec. 11....

https://www.play-bookmarks.win/a-major-change-to-the-federal-hemp-definition-is-coming-in-2026-the-timeline

Federal hemp rules change on Nov. 12, 2026, with updates expected by Dec. 11. The definition will count total THC, including THCA, and cap covered products at 0.4 mg total THC per container—so check labels before you buy.