Schedule IV

Schedule IV or Schedule 4 is a legal category assigned to substances in certain jurisdictions:


 * In Australia: Schedule 4
 * In Canada: Schedule IV (Canada)
 * In Estonia: Narcotic Drugs and Psychotropic Substances Act (Estonia)
 * In Thailand: Psychotropic Substances Act (Thailand)
 * In the United States: Schedule IV (US)
 * Internationally under United Nations treaty: Convention on Psychotropic Substances