A Director Penalty Notice triggers a strict 21-day countdown from the issue...
https://foxtrot-wiki.win/index.php/The_Solicitor%E2%80%99s_Guide:_What_Needs_to_be_in_a_DPN_Evidence_Pack
A Director Penalty Notice triggers a strict 21-day countdown from the issue date. Distinguishing between lockdown and non-lockdown penalties is vital for a client’s strategy. This guide covers the essentials so you can triage fast and keep options open.