The December 11 U.S. hemp rule change tightens which products qualify as hemp...

https://quebeck-wiki.win/index.php/How_Do_Labs_Calculate_Total_THC_With_THCA%3F

The December 11 U.S. hemp rule change tightens which products qualify as hemp by counting total THC, including THCA, and capping THC at 0.4 mg per container