NSW Premier Gladys Berejiklian says the state's police will have powers to enforce mandatory self-isolation.Credit:AAP
Non-essential mass gatherings of more than 500 people will also be banned as part of the rules aimed at slowing the spread of the coronavirus through the community.
Ms Berejiklian's warning came before two more coronavirus deaths were confirmed on Sunday evening. A 77-year-old woman from Queensland died in Sydney on Friday,while a 90-year-old woman died at a Macquarie Park aged care facility on Saturday,NSW Health confirmed.
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More than 130 cases had been recorded in NSW alone on Sunday,with the national count closing in on 300.
Ms Berejiklian said NSW had existing powers to enforce self-isolation rules and bans on mass public gatherings,which are in place from Monday.
"I want to assure all our citizens that our Health Minister,through the Public Health Act,has the ability to enforce those provisions,"Ms Berejiklian said.
"We currently have enough laws in places but gazetting them in the right way to provide certainty is what is important to us."