49 CFR 580.2: Purpose.

The purpose of this part is to provide transferees of motor vehicles with odometer information to assist them in determining a vehicle's condition and value by making the disclosure of a vehicle's mileage a condition of title and by requiring lessees to disclose to their lessors the vehicle's mileage at the time the lessee returns the vehicle to the lessor. In addition, the purpose of this part is to preserve records that are needed for the proper investigation of possible violations of the Motor Vehicle Information and Cost Savings Act and any subsequent prosecutorial, adjudicative or other action.