Oregon Revised Statutes Highways, Roads, Bridges and Ferries § 381.650

(1) The bonds shall be advertised and sold to the highest bidder for cash.

(2) The council shall advertise in one newspaper, if there is one, in the county in which the municipality is located, in one leading newspaper in Portland, Oregon, and in one leading financial newspaper in New York City for two weeks before any sale of bonds, the fact of the sale, inviting bids for the bonds and stating such facts as will interest prospective purchasers. For example, the date and place of sale, the terms of sale, the character of the bonds, the amount of interest and denomination of the bonds, the fact that all bids must be accompanied by a certified check for five percent of the amount of the payment, that any and all bids may be rejected, that the bonds may be sold for cash only and to the highest bidder and such other facts as may in the judgment of the council procure the most advantageous sale of the bonds may be stated.

(3) All bids to purchase bonds must be sealed and accompanied by a certified check for five percent of the amount of the bid. The council may reject any and all bids.