The December 11 US hemp rule change counts total THC, including THCA, and caps...

https://wiki-legion.win/index.php/If_My_Product_Is_Labeled_Hemp,_What_Proof_Do_Retailers_Want_Now%3F

The December 11 US hemp rule change counts total THC, including THCA, and caps THC at 0.4 mg per container. That narrows the market for intoxicating hemp products and shifts demand toward compliant, non-intoxicating goods