7 CFR § 990.63
Interstate transportation of hemp
July 6, 2020
No State or Indian Tribe may prohibit the transportation or shipment of hemp or hemp products lawfully produced under a State or Tribal plan approved under subpart B of this part, under a license issued under subpart C of this part, or under 7 U.S.C. 5940 through the State or territory of the Indian Tribe, as applicable.