HOW AUSTRALIA IS OBSERVING THE QUEEN'S DEATH
* The governor-general announced the death of Her Majesty The Queen, following advice from Buckingham Palace.
* The prime minister issued a public statement on television and suspended parliament.
* Next week's scheduled sittings of the Queensland and NSW parliaments have totally postponed, while Victorian and West Australian MPs will sit for one day on Tuesday to hear condolence motions.
* A gun salute took place at Parliament House in Canberra at dusk to mark the Queen's death. It consisted of one round fired for each year of the Queen's life at 10-second intervals.
* The governor-general will address the nation at 6.55pm AEST.
* At 9pm AEST 'Queen Elizabeth II' will be projected onto the facade of the Australian War Memorial's Hall of Memory in Canberra.
* A proclamation ceremony will be held at Parliament House in Canberra. This event is open to the public, subject to public health restrictions.
* The governor-general will read the proclamation on the forecourt of Parliament House and this will be followed by a 21-gun salute.
* In Australia, there will not be an official mourning period.
* The Australian flag should be flown at half-mast until after the day of the funeral in the UK. Direction will be provided to raise the flag for the proclamation.
* The sails of the Sydney Opera House will be illuminated until midnight on Friday and Saturday evening.
* Condolence books have been made available at Parliament House and Government House in Canberra. Books of condolence will also be open at Government Houses in each state. Online condolence forms have also been created on the governor-general and Department of the Prime Minister and Cabinet websites.
* In Canberra, floral tributes may be left at the forecourt of Parliament House and Government House. Each state and territory has made arrangements for floral tributes. The royal family have noted that instead, Australians may wish to consider making a donation to a charity of their choice.
* The Queen's funeral will be held at Westminster Abbey and attended by Australian representatives at a date to be confirmed.
* A national memorial service will be held following the return of the prime minister and governor-general from London.
* States and territories may hold additional memorial services.
* A national day of mourning will be declared by the prime minister, coinciding with the national memorial service. One minute's silence will be observed.
* Condolence motions will be given in both the House of Representatives and the Senate on the next respective sitting days following the national memorial service.
* The Australian Mint has plans to make new coins featuring King Charles from 2023 and the king is also expected to feature on a new $5 note in the future.