The December 11 U.S. hemp rule counts total THC, including THCA, and caps it at...

https://sierra-wiki.win/index.php/Are_Uruguayan_Suppliers_Really_Pivoting_to_Brazil_as_the_US_Tightens%3F

The December 11 U.S. hemp rule counts total THC, including THCA, and caps it at 0.4 mg per container. That narrows compliant product options and may shift demand toward THC-free inputs with batch lab reports—the clearest path.