What documents do you need to sell your car? What documents do you need to sell your car? June 11, 2021 Roadworthy certificate? Notice of disposal? Paperwork to document the history of your car is vital to selling it If you can’t find the car’s registration certificate, for example, you won’t be able to photocopy it and hand the copy to the prospective buyer to prove that you are the registered owner. Note: While we have based this article on the requirements of those selling a car in Victoria, in the main the principles apply across the nation. Registration and proof of ownership