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

https://research-wiki.win/index.php/What_Does_the_Article_Say_About_US_Demand_Shifting_to_Uruguay,_Colombia,_and_Argentina%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