Cal. Elections Code § 10220

Candidates may be nominated for any of the elective offices of the city in the following manner: Not earlier than the 113th day nor later than the 88th day before a municipal election during normal office hours, as posted, the voters may nominate candidates for election by signing a nomination paper. Each candidate shall be proposed by not less than 20 nor more than 30 voters in a city of 1,000 registered voters or more, and not less than five nor more than 10 voters in a city of less than 1,000 registered voters, but only one candidate may be named in any one nomination paper. No voter may sign more than one nomination paper for the same office, and in the event the voter does so, that voter’s signature shall count only on the first nomination paper filed which contains the voter’s signature. Nomination papers subsequently filed and containing that voter’s signature shall be considered as though that signature does not appear thereon. Each seat on the governing body is a separate office. Any person who meets the requirements of Section 102 may circulate a nomination paper. Only one person may circulate each nomination paper. Where there are full terms and short terms to be filled, the term shall be specified in the nomination paper.