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

https://edwinssuperinsights.readspirex.com/posts/what-does-the-us-hemp-roundtable-mean-by-95-of-products-eliminated

The December 11 U.S. hemp rule counts total THC, including THCA, and caps hemp-derived THC at 0.4 mg per container. That narrows the market for intoxicating products and raises demand for compliant inputs