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

https://felixsmasterperspectives.talesignal.com/posts/what-is-the-practical-takeaway-for-exporters-from-the-december-11-rule-change

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.