1919 CE
The Harrison Act is amended to provide tighter controls on cocaine and opium

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