https://www.abc.net.au/news/2021-08-23/how-will-south-austra...
https://katv.com/news/coronavirus/new-program-tracks-quarant...
[Home quarantining] participants will receive advice via the smartphone app as to their obligation at random times to provide the selfie back to the public health teams. Should that not be responded to in a period of time, follow up calls or visits are made so as to make sure that the person is where they should be,” Foley explained.