Starting Nov. 12, 2026, federal hemp rules count total THC, including THCA,...

https://www.play-bookmarks.win/a-major-change-to-the-federal-hemp-definition-is-coming-in-2026-the-timeline

Starting Nov. 12, 2026, federal hemp rules count total THC, including THCA, instead of delta-9 alone. By Dec. 11, products face a 0.4 mg total THC cap per container, which may affect what shops can sell.