In 1979, the government of Australia commissioned a study on the Non-Medical Use of Drugs in South Australia. The Commission came to two conclusions that were consistent with those of the LeDain Commission: that cannabis should be decriminalized or subject to a " partial prohibition" under which possession and cultivation for personal purposes would cease to be criminal offences, whereas trafficking would remain a criminal offence.
En 1979, c'était au tour de l'Australie de commander une étude sur «The Non-Medical use of Drugs in South Australia» et les commissaires en arrivaient à deux conclusions, qui rejoignent celles de la Comission LeDain: la décriminalisation ou si on préfère «prohibition partielle» dans laquelle la possession et la culture à des fins personnelles cesseraient d'être des infractions criminelles alors que le trafic le demeurerait.