California Code, Education Code - EDC § 45224.5

The procedure set forth in Article 6 (commencing with Section 45240) of this chapter may also be adopted by a majority of the voting electors of the school districts assenting to the plan after it has been placed on the ballot upon the written petition of qualified electors not less in number than 10 percent of the number voting in the last election for a member of the governing board. The question of adoption shall be placed on the ballot at the next regular governing board member election, or the next primary or general election in a general election year, whichever is earlier after receipt of the petition by the registrar of voters.

The ballot measure shall specify the date that the provisions of Article 6 (commencing with Section 45240) of this chapter shall be applicable to classified employees, which shall not be later than July 1 next following the date of adoption.