Oregon Revised Statutes Revenue and Taxation § 324.140

(1) Reports required under ORS 324.120 and 324.130 from either the purchaser or producer, as the case may be, shall be delinquent after the last day fixed for filing, and every person required to file a report shall be subject to penalty of $25 per day for each property upon which the person fails or refuses to file a report. The penalties prescribed by this section shall be for failure to file reports and shall be in addition to the interest and penalty imposed for delinquent tax, and shall likewise constitute a lien against the assets of the person failing or refusing to file a report. The penalties prescribed under this section shall be collected in the same manner as gross production taxes and shall be deposited in the suspense account referred to in ORS 324.340.

(2) When royalty is claimed to be exempt from taxation by law, the facts on which claims of exemption are based and other information as the Department of Revenue may require shall be furnished in the report.