Enforcement varies from state to state,[15] though a criminal conviction for possession of a small amount is unlikely and diversion programs in these states aim to divert offenders into education, assessment and treatment programs.[16] With the rapid expansion in hydroponically grown cannabis cultivation, the Australian Drug Misuse and Trafficking Act (1985) was amended in 2006, reducing the amount of cannabis grown indoors under hydroponic conditions that qualifies as a 'commercial quantity' or as a 'large quantity'.[16] On 24 February 2016, the Federal Government legalised the growing of cannabis for medicinal and scientific purposes at a federal level.[17] Subsequently, the use of medicinal cannabis was legalised by the Victorian government on 12 April 2016,[18] and in New South Wales on 1 August 2016,.[19] The usage of medicinal cannabis became legal at the federal level on 1 November 2016, with implementation varying from state-to-state.[20] Austria Possession of up to 5 grams decriminalized as of January 2016.