http://www.tac.vic.gov.au/road-safety/tac-campaigns/drink-driving From 1 October Victoria will have new alcohol interlock laws. Anyone whose licence is cancelled for drink-driving (or riding) will have to fit an alcohol interlock into any vehicle they drive (home car, work car, motorbike) once they have relicensed (with a special   condition) after their disqualification perioid ends. The interlock will be installed for a minimum of six months. An alcohol interlocks stop vehicles from being started if the driver (or rider) has been drinking. They can take photographs and will become mandatory for all drink-drivers whose licences are cancelled. Transport Accident Commission Victoria. http://www.tac.vic.gov.au