An original or certified copy of a Power of Attorney from the leasing company authorizing the lessee to sign on their behalf. You must apply for a title and registration in your name when you purchase a motor vehicle, move to the state or change the ownership status of a motor vehicle.A lease or rental agreement with an apartment owner or homeowner. For new residents, additional proof of residency may be required, such as a utility bill or lease agreement. Payment for Fees and Taxes. Go to the Florida DMV web site, then the county you will live. Not only will thy tell you what docs you need, you can (and should) make an appointment. As a minimum, the agreement identifies the parties, the property, the term of the rental, and the amount of rent for the term. Usually landlords run a credit check, that's why they don't need the registration on your car. Palm Beach State College - Lake Worth Campus.