The December 11 U.S. hemp rule change counts total THC, including THCA, and...

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 counts total THC, including THCA, and caps finished products at 0.4 mg of total THC per container. That narrows the market for intoxicating hemp products and may shift demand toward compliant, non-intoxicating goods