Facing a DPN? The 21-day clock starts on the issue date, and your path depends...

https://wool-wiki.win/index.php/What_should_I_look_for_in_BAS_and_IAS_history_to_classify_a_DPN%3F

Facing a DPN? The 21-day clock starts on the issue date, and your path depends on whether it’s a lockdown or non-lockdown notice. Missing these nuances risks personal liability