Cal. Elec. Code § 10223

Each nomination paper shall be accompanied by a verified statement of the candidate that he or she will accept the nomination, and will also accept the office in the event of his election. The statement shall contain a blank space wherein the candidate shall be required to fill in his or her name in the manner in which he or she wishes the same to appear on the ballot and also the designation which he or she wishes to have under his or her name on the ballot, which designation shall conform to one of the designations permitted under this code relating to the forms of ballots generally.