Starting Nov. 12, 2026, federal law counts THCA in total THC when defining...

https://www.apu-bookmarks.win/starting-nov-12-2026-the-federal-hemp-definition-shifts-to-total-thc-with-a

Starting Nov. 12, 2026, federal law counts THCA in total THC when defining hemp. By Dec. 11, 2026, hemp products must also stay under 0.4 mg total THC per container, which may limit what shoppers find on shelves.