Oregon Revised Statutes Utility Regulation § 759.310

(1) Without an order of the Public Utility Commission authorizing the same then in effect except as provided in ORS 759.315 (3) or (5).

(2) With the authorization of the commission, but not conforming in its provisions to the provisions, if any, which it is required by the order of authorization of the commission to contain; but no failure to comply with the terms or conditions of the order of authorization of the commission and no informality or defect in the application or in the proceedings in connection therewith or with the issuance of such order shall render void any stock or bond, note or other evidence of indebtedness, or security issued pursuant to and in substantial conformity with an order of the commission, except as to a person taking the same otherwise than in good faith and for value and without actual notice.