The December 11 US hemp rule change tightens which products qualify as hemp by...

https://www.bookmark-maker.win/the-december-11-u-s-hemp-rule-change-counts-total-thc-including-thca-and

The December 11 US hemp rule change tightens which products qualify as hemp by counting total THC, including THCA, and capping THC at 0.4 mg per container