The Dec. 11 U.S. hemp rule counts total THC, including THCA, and caps products...

https://scarlettsimpressiveword.lumenforgex.com/posts/why-would-hemp-flower-pass-before-but-fail-now

The Dec. 11 U.S. hemp rule counts total THC, including THCA, and caps products at 0.4 mg per container. That limits demand for intoxicating hemp goods and favors THC-free inputs with batch lab reports, the clearest path to compliance.