Oregon Revised Statutes Shipping and Navigation § 777.160

(1) At the first regular district election after the effective date of the division of a port into subdistricts under ORS 777.155 or 777.326, one commissioner shall be elected from each subdistrict. Thereafter election of commissioners shall be by subdistrict and by the electors in each such subdistrict.

(2) The terms of office of the incumbent commissioners of a port that is subdivided as provided by ORS 777.155 or 777.326 terminate on June 30 following the first regular district election after the effective date of the division of the port into subdistricts.

(3) The two commissioners who receive the greatest number of votes cast at the election under subsection (1) of this section shall hold office for the term of four years beginning July 1 following the election. The three commissioners who receive the lesser number of votes cast at the election shall hold office for the term of two years beginning July 1 following the election.