Cal. Elec. Code § 18611

Every person is punishable by a fine not exceeding five thousand dollars ($5,000), or by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for 16 months or two or three years, or in a county jail not exceeding one year, or by both that fine and imprisonment, who circulates or causes to be circulated any initiative, referendum, or recall petition, knowing it to contain false, forged, or fictitious names.