The NSW Government has published the Public Health (COVID-19 Gatherings) Order (No 2) 2020 (see page 9 of the linked PDF) to give effect to the decisions of the National Cabinet announced on the evening of 24 March 2020 further restricting gatherings considered by the National Cabinet to give rise to a risk of transmission of COVID-19 (so-called “places of social gathering”).
Public Health (COVID-19 Gatherings) Order (No 2) 2020
COVID-19 Law 
This is a NSW page but I land on when I click the Victorian link. Also “Govrnment” is mis-spelt :-).
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Thanks for picking that up David…typo corrected. I am certain it will not be the last. Not sure what is happening with your browser…the link works properly for me, and I have gone back in to verify it is the correct URL.
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