In 1970 the Comprehensive Drug Abuse Prevention and Control Act was passed into law. Title II of this law, the Controlled Substances Act, is the legal foundation of narcotics enforcement in the United States. The Controlled Substance Act regulates the manufacture and distribution of drugs, and places all drugs into one of five schedules as follows.
Drug has no current accepted medical use.
Drug has high potential for abuse. Drug has current accepted medical use. Drug has high potential for abuse. Drug has current accepted medical use. Drug has medium potential for abuse.