a) Names of all drivers/addresses and driver’s license numbers  (insist on seeing the drivers license-or advise police

b) Owner’s name and address (on registration card)

c)) insurance card information-insist on seeing this card too, and get carrier name and their unique number.

d) Plate number/make/model/year of other cars

Your mental checklist should have four items on the list:  

Drivers/insurance/owners/plates.