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

https://telegra.ph/The-Silent-Killer-How-a-DPN-Sent-to-an-Old-Address-Can-Liquidate-Your-Personal-Assets-04-15

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