Final answer:
The dealership must have proof of ownership (DMV certificate of title) of the vehicle in order to sell it.
Step-by-step explanation:
The statement 'The dealership must have proof of ownership (DMV certificate of title) of the vehicle in order to sell it' is true. When selling a vehicle, the dealership needs to have the DMV certificate of title as proof of ownership. This document confirms that the dealership is legally authorized to transfer ownership of the vehicle to a buyer.