Title 21 presents regulations promulgated by the Food and Drug
Administration, the Drug Enforcement Administration, and the Office of
the National Drug Control Agency in the area of food and drugs. These
regulations encompass food and drugs for human and animal use,
biologics, cosmetics, medical devices, radiological health, and
controlled substances. Additions and revisions to this section of the
code are posted annually by April. Publication follows within six
months.