If you’re purchasing privately, you will be required to do all submissions yourself. If you’ve purchased a vehicle from a dealership in the state the dealership will generally submit all registration documentation for you. Vehicle buyers must notify the state of a change in Oregon title within thirty (30) days of purchase. The disclosure may be included on the back of the title exchanged in the sale, or on a separate, Secure Odometer Disclosure Form. Some exceptions exist, such as for recreational vehicles or vehicles built without an odometer. Odometer Disclosure Statement– In Oregon, the sale of vehicles less than 10 years old requires an odometer disclosure.