Oregon Revised Statutes Revenue and Taxation § 319.870

It is unlawful for the Department of Transportation, or any person having an administrative duty under ORS 319.510 to 319.880, to divulge the business affairs, operations, or information obtained by an investigation of records and equipment of any user or other person visited or examined in the discharge of official duty, or the amount or source of income, profits, losses, expenditures or any particular thereof, set forth or disclosed in any report, or to permit any report or copy thereof or any book containing any abstract or particulars thereof to be seen or examined by any person except as provided by law. However, the department may authorize examination of such reports by, and the giving of information therein contained to other state officers, or tax officers of another state or the federal government if a reciprocal arrangement exists.