California Code, Elections Code - ELEC § 18304

(a) Any person who uses or allows to be used any reproduction or facsimile of the seal of the county or the seal of a local government agency in any campaign literature or mass mailing, as defined in Section 82041.5 of the Government Code, with intent to deceive the voters, is guilty of a misdemeanor.

(b) For purposes of this section, the use of a reproduction or facsimile of a seal in a manner that creates a misleading, erroneous, or false impression that the document is authorized by a public official is evidence of intent to deceive.

(c) For purposes of this section, the term “local government agency” means a school district, special or other district, or any other board, commission, or agency of local jurisdiction.