Got a Director Penalty Notice? The 21-day clock starts on the issue date....
https://www.bright-bookmarks.win/a-dpn-starts-a-strict-21-day-clock-from-the-issue-date-the-difference-between
Got a Director Penalty Notice? The 21-day clock starts on the issue date. Distinguishing between a lockdown and non-lockdown notice is vital for protecting your client from personal liability