I've had an issue with a PCN going on for a little while. Essentially I got no ticket on my vehicle and no communication from the LA, the first I heard of it was when the TEC sent the order for recovery
I completed a witness statement which was accepted, then the same thing happened again.
Again I completed a witness statement which was accepted, this time the LA said they wouldn't accept it and would continue to pursure for recovery under the order (which had been cancelled!)
After I challenged the legality of this, they eventually issued an NTO. I raised representations which