Oregon Revised Statutes Cities § 223.205

(1) ORS 223.205 and 223.210 to 223.295 may be cited as the Bancroft Bonding Act.

(2) The provisions of the Bancroft Bonding Act are not mandatory. Any governmental body having charter provisions, or ordinance provisions authorized by charter, for bonding improvement assessments and selling bonds may follow those provisions or the provisions of the Bancroft Bonding Act, or the provisions of any other statute.

(3) All bonds issued prior to March 20, 1939, in accordance with the charter provisions of any city which, as of March 20, 1939, has or after that date attains a population of 100,000 or more inhabitants, according to the published federal census, and all action taken and proceedings adopted by a city prior to that date for issuing bonds in accordance with charter provisions are ratified, approved and confirmed.