On Nov 12, 2026, the federal hemp definition changes; enforcement starts Dec...

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

On Nov 12, 2026, the federal hemp definition changes; enforcement starts Dec 11. It counts total THC, including THCA, and caps covered products at 0.4 mg total THC per container. Check labels and COAs before you buy.