Oregon Revised Statutes Water Resources: Irrigation, Drainage, Flood Control, Reclamation § 545.043

(1) At the election for the organization of an irrigation district one director, who is a resident of Oregon and a bona fide owner, or a shareholder of a bona fide corporate owner, of land situated in the division, shall be elected from each division into which the district has been divided by the county court. If no division has been made, the directors shall be elected from the district at large. Terms of the directors so elected shall expire in one, two and three years, respectively, from the first Tuesday in January next succeeding their election. Their respective terms shall be decided by lot.

(2) Within 10 days after receiving the certificate of election provided for in ORS 545.153, the director shall take the official oath and file it in the office of the board of directors.