The federal hemp changes are dated Nov 12, 2026, and take effect Dec 11, 2026:...

https://dlf-ne.org/does-the-new-hemp-law-affect-products-labeled-thc-free-the-same-way/

The federal hemp changes are dated Nov 12, 2026, and take effect Dec 11, 2026: the definition uses total THC and a 0.4 mg cap per container. Before buying, check the label and COA for total THC per container, not just per serving.