Or. Rev. Stat. § 820.130
The Department of Transportation shall issue registration for a school bus when notified that the vehicle conforms to applicable standards and rules under ORS 820.100 to 820.120 and that the vehicle is safe for operation on the highways. Notification required by this section shall be from:
[1983 c.338 §752; 1985 c.420 §17; 1999 c.39 §11; 2013 c.768 §153; 2015 c.767 §214]