Proof of a valid insurance plan (not required if you purchased the vehicle from a dealership).Form DPSMV 1799 ( Louisiana Vehicle Application), completed and ready to be submitted for approval.A legitimate form of photo identification (driver’s license, state ID, passport, etc.).A bill of sale or receipt proving that you purchased the vehicle being registered.Title signed over by the previous owner, as well as the present registration.To register your newly purchased vehicle, advance to an OMV (Office of Motor Vehicles) location of your choice and come supplied with: You have 40 days from the time of purchase to have your vehicle registered and be able to legally operate it on public roads. All signatures must be performed in the presence of a notary, who will then sign the agreement making it official. It’s also recommended to implement this contract so that you have a copy for your vehicle records. Louisiana requires, by law, that a bill of sale is utilized if the title does not contain the sale amount/date or signatures of both parties. In this case, the property is a moveable (vehicle). The Louisiana DMV bill of sale form is a written testimony acknowledging the transfer of personal property from one individual to another.