Receiving a Director Penalty Notice puts your client on a strict 21-day clock...

https://www.seo-bookmarks.win/a-dpn-triggers-an-unforgiving-21-day-clock-from-the-issue-date-understanding

Receiving a Director Penalty Notice puts your client on a strict 21-day clock starting from the issue date. The consequences depend heavily on whether it’s a lockdown or non-lockdown notice