(a) Elected by the electors of zones that are as nearly equal in population as possible according to the latest federal census.
(b) Elected at large by position number by the electors of the district.
(2) Candidates for election from zones shall be nominated by the electors of the zones. Candidates for election at large may be nominated by the electors of zones or by the electors of the district, as determined under subsection (3) of this section.
(3) Where the method selected under subsection (2) of this section includes a combination of nomination of candidates from zones and nomination of candidates at large, the number of candidates to be nominated in each manner shall be specified in the petition or resolution for formation of the district described in ORS 403.505. [2009 c.584 §9]