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

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 counts total THC, including THCA, and caps it at 0.4 mg per container. That narrows the market for intoxicating hemp products and may shift demand toward non-intoxicating products with verified THC levels