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

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

Starting Nov 12, 2026, the federal hemp definition shifts to total THC, including THCA. By Dec 11, 2026, products must also meet a 0.4 mg THC-per-container cap—a change shoppers should check when comparing labels and COAs.