; and (2) by striking Such term does not include the and inserting the following: (B) The term marihuana does not include— (i) hemp, as defined in section 297A of the Agricultural Marketing Act of 1946; or (ii) the . (b) Tetrahydrocannabinol Schedule I, as set forth in section 202(c) of the Controlled Substances Act ( 21 U.S.C. 812(c) ), is amended in subsection (c)(17) by inserting after Tetrahydrocannabinols the following: , except for tetrahydrocannabinols in hemp (as defined under section 297A of the Agricultural Marketing Act of 1946) . 7. Rule of construction Nothing in this Act authorizes interference with the interstate commerce of hemp (as defined in section 297A of the Agricultural Marketing Act of 1946, as added by section 2).