Okla. Admin. Code § 765:25-3-1
A register of vehicles shall be on a form prescribed by the Commission or maintained as part of the computer records of the business and shall contain the date of purchase and/or sale of the motor vehicles, the make, model, year, style, vehicle identification number, and name and address of the purchaser or seller of the motor vehicle.
Amended at 23 Ok Reg 2893, eff 6-25-06