Buying from a Private Seller
When you purchase a car from a private seller, it is your responsibility to complete the auto title transfer; you have 40 days to file for your title. Bring the following to the Office of Motor Vehicles office:
A completed Vehicle Application (Form DPSMV 1799).
The current title certificate, assigned to you by the previous owner and notarized. The title must contain:
Date of sale.
Both buyer and seller signatures.
Notarized bill of sale, if the title certificate does not contain the above listed information.
Odometer Disclosure Statement (Form DSPMV 1606), if the car is less than 10 years old.
Copy of your ID or driver's license.
Proof of Louisiana car insurance.
Payment for any applicable title transfer fees.