Georgia Code Title 40. Motor Vehicles and Traffic § 40-2-28

(a) Initial applications for registration shall contain such information of ownership as the commissioner shall deem proper, and no vehicle shall be registered unless the commissioner shall be satisfied that the applicant for registration is entitled to have the vehicle registered in his name. Proof of purchase at a judicial sale or previous registration in this state by the applicant may be accepted as evidence of ownership by the commissioner.

(b) Applications for registration of vehicles brought into this state and previously registered in other states shall be accompanied by an affidavit from the motor vehicle registering official of that state, or other satisfactory evidence indicating that the applicant is the lawful owner of the vehicle, including the date, name, and address of the person from whom it was purchased.