CA Gov't Code Section 402.5

(a)

In addition to the acts prohibited by Section 402, a person who uses or allows to be used any reproduction or facsimile of the Great Seal of the State in any campaign literature or mass mailing, as defined in Section 82041.5, 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.