Oregon Revised Statutes Procedure in Civil Proceedings § 18.300

(2)(a) If a resident of this state uses any of the federal exemptions provided in section 522(d) of the Bankruptcy Code of 1978 (11 U.S.C. 522(d)) for purposes of a bankruptcy petition, the resident may not use any of the exemptions given to residents of this state under state law.

(b) If a resident of this state uses any of the exemptions given to residents of this state under state law for purposes of a bankruptcy petition, the resident may not use any of the federal exemptions provided in section 522(d) of the Bankruptcy Code of 1978 (11 U.S.C. 522(d)).