… a U.S. Food and Drug Administration approved product. ( b ) [Reserved] [ 52 FR 17291 , May 7, 1987, as amended at 64 FR 35930 , July 2, 1999; 83 FR 48953 , Sept. 28, 2018; 85 FR 51645 , Aug. 21, 2020] Transshipment and In-Transit Shipment of Controlled Substances § 1312.31 Sched…