> A person shall not be guilty of an offence ... if he shows that he did not know and could not with reasonable diligence have ascertained who the driver of the vehicle was.
So yes, if you only had a list of names and couldn't do anything else, you could hand that over. The police could then require information from each of those people in the same way.
There's been a British £5 coin since 1990 along the same lines (commemorative, but technically legal tender).