49 CFR 580.9: Odometer record retention for auction companies.

Each auction company shall establish and retain in physical or electronic format at its primary place of business in an order appropriate to business requirements and that permits systematic retrieval, for five years following the date of sale of each motor vehicle, the following records:

(a) The name of the most recent owner (other than the auction company);

(b) The name of the transferee;

(c) The vehicle identification number; and

(d) The odometer reading on the date which the auction company took possession of the motor vehicle.