Oregon Revised Statutes Chapter 224 § 224.260 — (1971 Replacement Part) shall, when issued and sold, be legal and

(1971 Replacement Part) shall, when issued and sold, be legal and binding obligations of the municipality if the issuance of bonds for that purpose has been authorized and approved by a majority vote of the electors voting on the question and regardless of whether the question was submitted to the electors by the council or other governing body by resolution, ordinance or by charter amendment. The governing body of the municipality may, either before or after issuing the bonds, adopt plans, specifications and estimates for a sanitary disposal of sewage with or without following any previous plans, specifications, estimates or methods. SEWER CONSTRUCTION IN CITIES OF 3,500 OR LESS