The vehicle was on hire at the time the contravention occurred

To transfer liability we'll need the following documents to be submitted within 28 days of the ticket issue date:

1. a statement signed by or on behalf of the vehicle-hire firm to the effect that at the material time the vehicle was hired to a named person under a hire agreement
2. a copy of the hire agreement
3. a copy of a statement of liability signed by the hirer under that hire agreement.

You can submit these documents here.