Starting Nov. 12, 2026, federal rules count THCA in total THC when defining...

https://bizzmarkblog.com/are-cbd-tinctures-affected-by-the-0-4-mg-per-container-cap/

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