California Code, Elections Code - ELEC § 10650

(a) Notwithstanding any other law, a governing body of a special district may require, by resolution, that the members of its governing body be elected using district-based elections, as defined in subdivision (b) of Section 14026, without being required to submit the resolution to the voters for approval. A resolution adopted pursuant to this subdivision shall include a declaration that the change in the method of electing members of the governing body is being made in furtherance of the purposes of the California Voting Rights Act of 2001 (Chapter 1.5 (commencing with Section 14025) of Division 14 of the Elections Code).

(b) For purposes of this section, “special district” means an agency of the state formed pursuant to general law or special act for the local performance of governmental or proprietary functions within limited boundaries. “Special district” does not include a city, county, city and county, school or community college district, special assessment district, or district with appointed members on its governing body.