Receiving a Director Penalty Notice is a serious signal, but it is manageable...

https://www.bookmark-xray.win/when-an-ato-director-penalty-notice-arrives-the-21-day-clock-starts-ticking

Receiving a Director Penalty Notice is a serious signal, but it is manageable if you act fast. You only have 21 days from the notice date to resolve your PAYG, GST, or SGC debts