Official U.S. Government edition. Code of Federal Regulations, Title 21, Food and Drugs, Pt. 1-99, Revised as of April 1, 2005. Title 21-Food and Drugs is composed of nine volumes. The parts in these volumes are arranged in the following order: Parts 1-99, 100-169, 170-199, 200-299, 300-499, 500-599, 600-799, 800-1299 an 1300 to end. The fires eight volumes, containing parts 1-1299, comprise Chapter I - Food and Drug Administration, Department of Health and Human Services. The ninth volume, containing part 1300 to end, includes Chapter II – Drug Enforcement Administration, Department of Justice and Chapter III – Office of National Drug Control Policy. The contents of these volumes represent all current regulations codified under this title of the CFR as of April 1, 2005.