Cal. Gov. Code § 54256

In the event an ordinance enacted pursuant to Section 54253 authorizing a local agency to enter into a privatization project agreement is subjected to a successful referendum election, no ordinance authorizing the local agency to enter into a franchise, license, or service agreement for the same or substantially the same purpose shall be passed by that local agency for a period of one year from the date of the referendum, repeal, or rescission.