1. Upon receipt of an application for registration of a motor vehicle, trailer, manufacturer or dealer, as provided in this chapter, the director of revenue shall file such application and register such motor vehicle, trailer, manufacturer or dealer, together with the facts stated in the application, under a distinctive number assigned to such motor vehicle, trailer, manufacturer or dealer. Separate records shall be kept as follows:
(1) Motor vehicles registered by owners;
(2) Commercial motor vehicles;
(3) Trailers;
(4) Motorcycles and motor tricycles;
(5) Autocycles;
(6) Manufacturers and dealers.
2. The director of revenue may keep such other classifications and records as he may deem necessary and may enter contracts or agreements or otherwise make arrangements for computerized access to odometer and title information.
3. All of such books and records shall be kept open to public inspection during reasonable business hours.
4. The governor may cause the records of the department of revenue to be audited by the state auditor at any time.