The December 11 US hemp rule counts total THC, including THCA, and sets a 0.4...

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

The December 11 US hemp rule counts total THC, including THCA, and sets a 0.4 mg per container cap. It may reduce demand for intoxicating hemp products and push buyers toward compliant alternatives