Public Resources Code § 5534
ARTICLE 3. Regional Park, Park and Open-Space, and Open-Space Districts
The board of directors may by resolution or ordinance fix the boundaries of the wards or subdistricts for the purpose of electing directors, after the first election creating and establishing the district. The wards shall be established in ample time prior to each biennial general election to permit candidates for the position of directors to circulate nominating papers.