Australia now has 4,000 cases of COVID-19, up from the 3,000 cases recorded on Friday. Tasmania and the ACT recorded their first deaths from the virus on Monday.

Tasmanian Premier Peter Gutwein confirmed the woman in her 80s died in the North-West Regional Hospital this morning.

He says Tasmanians need to accept and understand "that this is not a game".

"Up until this point, people [coming into Tasmania] had been placed into self-isolation. As from today, they will be in Government-run quarantine facilities."

Mr Gutwein says those who ignore the two-person rule, which comes into force from midnight, will be committing an offence — he's also foreshadowed on the spot fines.

People will need to stay at home, unless they are going to work or school, getting essential supplies or medical supplies, exercising or providing compassionate care.

The order will be in place for four weeks.

"To be clear, your primary residence means your primary residence and you must be at that fixed location unless these rules are revoked.

"These are tough rules. I want to make the point for those who love their shacks, you won't be able to go to your shacks for school holidays or for Easter."

ACT has its first coronavirus-related death

Some sad news to start this afternoon - the ACT can now count a first death amid the pandemic.

An woman in her 80s died in Canberra Hospital over the weekend.

The ACT has confirmed one new case of COVID-19 over the past 24 hours, bringing the capital territory's total to 78. Six of those people are in hospital.

The woman was Australia’s 18th death related to the coronavirus pandemic.

What you need to know about the two-person rule

A lot of you have questions about the two-person rule and what it means for you.

And that's completely understandable — it all gets a bit confusing at times.

Fortunately, my colleagues have put together a handy guide for those of you trying to get your head around the changes.

But to cover off some of your most asked questions:

A family split across two houses can meet — so yes, you can go and visit your parents or a sibling

The limit won't apply to your household or workplace — so don't chuck a sickie or try and boot the in-laws out

The measures will come into effect from midnight tonight

Each state and territory is enforcing the new rule differently — including hefty fines

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