And he said it was important to allow a maximum of two people for safety reasons.
There are now 4166 confirmed cases across the country.
Australia is trying to capitalize on a slowing rate of infection.
The program is effective from 30 March 2020, with the first payments to be received by eligible businesses in the first week of May as monthly arrears from the Australian Taxation Office (ATO).
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A two-pronged attack featuring a $130 billion package to protect six million jobs and tighter controls on Australians' movements has been launched to counter COVID-19.
The government is also introducing a $1500 "Job Keeper" payment.
"And so there would be a moratorium on evictions for the next six months under those rental arrangements".
"You can not just cut and paste somebody else's system, because we have seen in many other jurisdictions, putting these in place, they having to rapidly redesign and change them", he said.
Treasurer Josh Frydenberg has indicated the government will unveil its new wage subsidy plan later today, in its latest and boldest effort to help businesses and their workers survive the coronavirus downturn.
To get it, most employers will have to have suffered a 30% decline in their turnover relative to a comparable period a year ago. It's already been nicknamed the "job keeper allowance".
In a press conference on Sunday, the Prime Minister made a direct point to Australians, particularly in their 20s and 30s, who seem to have the "view that because they are healthier that they are not transmitters of the virus".
The government has announced it will pay businesses seriously affected by the coronavirus a wage subsidy, to ensure they keep employees on the books through the coronavirus pandemic.
In a sign of how quickly things are deteriorating, Morrison had as recently as last week rejected the need for a UK-style wage subsidy, saying it would take too long to implement. That means that we can get on top of cases when they are detected.
Public gatherings are now limited to two people.
Commissioner Carroll did thank Queenslanders for complying with the required self-isolation periods.
"We've also seen half a dozen examples in the past week where perpetrators have actually used Covid-19 as a form of abuse - telling their partner that they have the virus, therefore they can't leave the house", she told ABC.
"Funerals (remain) at 10 and weddings at five and State and Territories, as I said the other night, can exercise discretion on those matters on compassionate grounds as they see fit".
Queensland Premier Annastacia Palaszczuk has asked her state to be patient, with today's restrictions expected to be in place for at least a month.
Queensland, which has closed its border, is toughening border controls.