Cal. Gov. Code § 50798.4
This chapter shall not be operative in any local agency until the board, either at a general or a special election, shall submit to the electors of the local agency the question as to whether the board shall be authorized to adopt the revenue-bond method of financing for the improvements referred to in this chapter.
If a majority of the electors voting upon the question vote in favor of the revenue-bond method of financing the said improvements, the board may proceed to undertake and finance the improvements as provided for herein.
If a majority of the electors voting upon the question vote against the revenue-bond method of financing the said improvements, the board shall not again submit the question to the electors until a period of at least six months has elapsed since the date of the last election at which the question was submitted.
Ca. Gov. Code § 50798.4