The December 11 U.S. hemp rule counts total THC, including THCA, and caps THC...
https://dallassinterestingwords.cloudhinter.com/posts/if-i-sell-cbd-tinctures-how-do-i-stay-under-the-0.4-mg-thc-cap
The December 11 U.S. hemp rule counts total THC, including THCA, and caps THC at 0.4 mg per container. That narrows demand for intoxicating products and favors THC-free inputs backed by batch lab reports as the clearest path.