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

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

The December 11 US hemp rule counts total THC, including THCA, and caps THC at 0.4 mg per container. It narrows demand for intoxicating hemp products and makes THC-free inputs with batch lab reports the clearest path to compliance.