On December 11, US hemp rules changed: total THC includes THCA, and each...

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

On December 11, US hemp rules changed: total THC includes THCA, and each container is capped at 0.4 mg. That may reduce demand for products with THC and shift buyers toward non-intoxicating options