Regulations last checked for updates: Jan 18, 2025

Title 21 - Food and Drugs last revised: Dec 26, 2025

IMPORTATION OF CONTROLLED SUBSTANCES
EXPORTATION OF CONTROLLED SUBSTANCES
TRANSSHIPMENT AND IN-TRANSIT SHIPMENT OF CONTROLLED SUBSTANCES
HEARINGS
source: 36 FR 7815, Apr. 24, 1971, unless otherwise noted. Redesignated at 38 FR 26609, Sept. 24, 1973.