Oregon Revised Statutes Elections § 260.715

(1) A person may not knowingly make a false statement, oath or affidavit when a statement, oath or affidavit is required under the election laws.

(2) A person may not request a ballot in a name other than the person's own name.

(3) A person may not vote or attempt to vote more than once at any election held on the same date.

(4) A person may not vote or attempt to vote both in an election held in this state and in another state on the same date.

(5) A person, except an elections official in performance of duties, may not willfully alter or destroy a ballot cast at an election or the returns of an election.

(6) A person may not willfully place a fraudulent ballot among the genuine ballots.

(7) A person may not falsely write anything purporting to be written by an elections official in performance of duties on the ballot.

(8) A person may not commit theft of a ballot or tally or return sheet, or willfully hinder or delay the delivery of the tally or return sheet to the county clerk, or fraudulently break open a sealed tally or return sheet of the election.

(9) A person may not manufacture or knowingly use a fraudulent ballot return identification envelope or secrecy envelope or sell, offer to sell, purchase or offer to purchase, for money or other valuable consideration, any official ballot, replacement ballot, ballot return identification envelope or secrecy envelope. As used in this subsection, “ballot return identification envelope” and “secrecy envelope” mean those envelopes used to return ballots to the county clerk.