If you're involved in an accident, you're legally required to:
Give your name, address and insurance details to anyone who has a good reason to ask for them – namely the other driver.
Report the incident to the police within 24 hours if you or anyone else is injured.
Provide your Certificate of Motor Insurance within five days of the incident.
If possible, you should also collect the following information:
Full details of the other driver(s).
Registration numbers of all vehicles involved in the accident.
Where, when and how the accident happened.
Details of any injuries or damage caused
Names and contact details of any witnesses
Police officers’ details and any reference numbers you are given
Photographs of the scene or any damage, if possible
CCTV or dashcam footage