Starting Nov. 12, 2026, federal hemp rules count total THC, including THCA, and...

https://www.usaenlinea.com/the-hemp-law-changing-this-fall-and-what-it-means-for-whats-on-the-shelf/

Starting Nov. 12, 2026, federal hemp rules count total THC, including THCA, and cap products at 0.4 mg total THC per container. Dec. 11, 2026, is another key date. Check labels and ask retailers how products meet the new limits.