When you receive a Director Penalty Notice, the 21-day clock starts ticking...

https://www.adirs-bookmarks.win/getting-a-director-penalty-notice-is-a-serious-wake-up-call-but-it-s

When you receive a Director Penalty Notice, the 21-day clock starts ticking immediately from the issue date. If your BAS or SGC filings are overdue, you could face a lockdown DPN, making you personally liable for the debt