Starting Nov 12, 2026, federal hemp rules shift to total THC, including THCA....

https://yonderstack.com/s/BWcKkrqIfu3UIqfNw40-s

Starting Nov 12, 2026, federal hemp rules shift to total THC, including THCA. By Dec 11, products must meet a 0.4 mg total-THC cap per container. Check labels and ask shops how each item complies.