Schedule 4 poisons may be supplied only by a medical practitioner, dentist or veterinarian in lawful practice, by a pharmacist dispensing a lawful prescription, or by a pharmacist without a prescription where the jurisdiction does not exclude it, the patient is already being treated with the medicine, continuing it is essential, no more than 3 days' supply is given and the pharmacist is satisfied an emergency exists. Wholesale supply to practitioners and authorised persons is excluded.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.