A DPN is a 21-day race from the issue date. Knowing if it is a lockdown or...

https://griffinucyk847.iamarrows.com/how-late-do-lodgements-have-to-be-for-a-lockdown-dpn-3-months-rule

A DPN is a 21-day race from the issue date. Knowing if it is a lockdown or non-lockdown notice is vital for your client's defence. I have unpacked the mechanics of this here in plain language, so you can triage fast and keep options open.