The December 11 hemp law counts total THC, including THCA, and caps it at 0.4...

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

The December 11 hemp law counts total THC, including THCA, and caps it at 0.4 mg per container. That cuts demand for intoxicating hemp products and shifts buyers toward THC-free inputs with batch lab reports, the clearest path to compliance.