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

https://en.mercopress.com/2026/10/14/new-us-hemp-rules-take-effect-december-11-shifting-demand-for-south-american-exporters

The December 11 US hemp rule counts total THC, including THCA, and caps it at 0.4 mg per container. That narrows eligible products and may shift demand toward compliant inputs. THC-free ingredients with batch lab reports offer the clearest path.