The December 11 U.S. hemp rule change tightens limits on finished products:...

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

The December 11 U.S. hemp rule change tightens limits on finished products: total THC includes THCA, and each container is capped at 0.4 mg