Regulations last checked for updates: Nov 21, 2024

Title 21 - Food and Drugs last revised: Nov 19, 2024

GENERAL INFORMATION
CONTROLLED SUBSTANCES LISTED IN SCHEDULE II
CONTROLLED SUBSTANCES LISTED IN SCHEDULES III, IV, AND V
authority: 21 U.S.C. 821,823,829,829a,831,871
source: 36 FR 7799, Apr. 24, 1971; 36 FR 13386, July 21, 1971, unless otherwise noted. Redesignated at 38 FR 26609, Sept. 24, 1973.