Starting Nov 12, 2026, the federal hemp definition counts total THC, including...

https://oliviasmasterinsight.quantlynix.com/posts/what-changes-on-november-12-2026-for-hemp-products

Starting Nov 12, 2026, the federal hemp definition counts total THC, including THCA. By Dec 11, 2026, products also face a 0.4 mg total-THC cap per container. Check labels and COAs: a product that met older rules may no longer qualify as hemp.