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

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

Starting Nov. 12, 2026, the federal hemp definition counts total THC, including THCA—not just delta-9 THC. By Dec. 11, 2026, products must also stay under a 0.4 mg total THC cap per container, which may affect what shoppers can legally buy.