The December 11 U.S. hemp rule change counts total THC, including THCA, and...
https://wiki-wire.win/index.php/Is_It_True_That_Most_Hemp-Derived_Cannabinoid_Products_Could_Disappear%3F
The December 11 U.S. hemp rule change counts total THC, including THCA, and caps hemp-derived THC at 0.4 mg per container