Cal. Elec. Code § 9236

(a) Notwithstanding Section 9235, ordinances authorizing the issuance of revenue bonds by a city as part of a joint powers entity pursuant to Section 6547 of the Government Code shall not take effect for 60 days.
(b) When the number of votes cast for all candidates for Governor at the last gubernatorial election within the boundaries of the city described in subdivision (a) exceeds 500,000, the ordinance is subject to referendum upon presentation of a petition bearing signatures of at least 5 percent of the entire vote cast within the boundaries of the city for all candidates for Governor at the last gubernatorial election. When the number of votes cast for all candidates for Governor at the last gubernatorial election within the boundaries of the city is less than 500,000, the ordinance is subject to referendum upon presentation of a petition bearing signatures of at least 10 percent of the entire vote cast within the boundaries of the city for all candidates for Governor at the last gubernatorial election.
(c) For the purpose of submitting the question to the voters pursuant to subdivision (b), the ballot wording shall approximate the following:
“Shall the (county name) ,
as a member of the (joint powers entity name) ,
authorize the issuance of revenue bonds by the joint powers entity in the amount of $____ pursuant to ordinance number ____, dated ____, the bonds to be used for the following purposes and to be redeemed in the following manner: ________?”