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

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

The Dec. 11 U.S. hemp rule counts total THC, including THCA, and caps THC at 0.4 mg per container. That narrows the market for intoxicating hemp goods and may shift demand toward non-intoxicating products