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

https://www.start-bookmarks.win/the-dec-11-u-s-hemp-rule-counts-total-thc-including-thca-and-caps-it-at-0-4

The December 11 US hemp rule counts total THC, including THCA, and caps it at 0.4 mg per container. That may narrow product choices and shift demand toward THC-free inputs with batch lab reports, the clearest path to compliance.