The legislative body of any city organized or incorporated prior to noon on January 1, 1880, upon receiving a petition requesting the reorganization of the city, signed by not less than one-fifth of the qualified electors of the city as shown by the vote cast at the last municipal election, shall submit to the electors of the city at the next general election held in the city the question whether the city shall become organized pursuant to this chapter.
Ca. Gov. Code § 34400