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

https://www.hotel-bookmarkings.win/the-federal-hemp-definition-changes-nov-12-2026-using-total-thc-and-a-0-4

Starting Nov. 12, 2026, federal hemp rules count total THC, including THCA. By Dec. 11, 2026, products must also stay under a 0.4 mg total-THC cap per container—a change that may affect what shoppers can buy.