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

https://www.stealth-bookmark.win/starting-december-11-the-us-hemp-rule-counts-total-thc-including-thca-when

The December 11 US hemp change counts total THC, including THCA, and caps THC at 0.4 mg per container. That narrows the market for intoxicating hemp products. THC-free inputs, backed by batch lab reports, are the clearest path to compliance.