In 1919, the Harrison Act is amended in order to provide more stringent controls on cocaine and opium. The registration tax is increased, while a new tax (the commodity tax) is introduced, effectively making it illegal to purchase, sell or dispense cocaine (except in its original stamped package).
Source: Austin, G. A. et al. (1979). Perspectives on the history of psychoactive substance use. NIDA.
| Drugs: | Coca (cocaine), Opium (morphine, heroin, opioids) |
|---|---|
| Regions: | USA (United States of America) |
| Topics: | Taxation and regulation |
